CN220019198U - Optical device pressure testing device - Google Patents

Abstract

The utility model discloses a pressure testing device for an optical device, and relates to the technical field of optical device processing equipment. The utility model comprises a limit structure, an elastic structure, a thrust component and a pressurizing head, wherein one end of the elastic structure is connected with the thrust component, the other end of the elastic structure is connected with the pressurizing head, and the limit structure is arranged on a moving path of the thrust component and used for limiting the pushing distance of the thrust component. The utility model can precisely control the pushing distance of the pushing component to the elastic structure through the constraint of the limiting structure to the pushing component, thereby controlling the deformation quantity of the elastic structure, precisely controlling the pressure of the elastic structure to the pressurizing head, and improving the precision of the pressure of the pressurizing head to the tested product.

Description

Optical device pressure testing device

Technical Field

The utility model belongs to the technical field of optical device processing equipment, and particularly relates to an optical device pressure testing device.

Background

The optical device needs to meet a certain pressure bearing capacity during use, so that the optical device needs to be subjected to pressure detection during production. When the pressure detection is carried out on the optical device, a preset pressure with a specified value is applied to the optical device, if the optical device is damaged under the action of the preset pressure, the bearing capacity of the optical device is unqualified, and if the optical device is not damaged under the action of the preset pressure, the quality of the optical device is qualified. When the optical device is pressurized, whether the pressure value applied to the optical device is accurate or not has great influence on the detection of the optical device.

However, there is a great correlation between the magnitude of the pressure applied to the optical device and the pressing structure, and if the pressing structure has high accuracy, the higher the pressing accuracy when the optical device is pressed. The pressurizing structure of the optical device comprises an automatic pressurizing device and a manual pressurizing device, the price of the high-precision automatic device is high, the price of the manual pressurizing device is low, but the pressurizing distance is difficult to control accurately during pressurizing.

Disclosure of Invention

The utility model aims to provide a light device pressure testing device which is used for solving the problem that a manual pressurizing device is difficult to accurately control the pressurizing distance.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a light device pressure testing arrangement, includes limit structure, elastic structure, thrust subassembly and pressurization head, elastic structure one end with thrust subassembly is connected, the elastic structure other end with the pressurization head is connected, limit structure set up in on thrust subassembly's the travel path for retrain thrust subassembly's promotion distance.

In the scheme, the limiting structure is adopted to limit the pushing distance of the thrust component, and the thrust component can be stopped at the same position when being pressurized each time, so that the pressurizing stroke of each time of pressurization is consistent. And an elastic structure is arranged between the thrust component and the pressurizing head, so that the elastic structure can be compressed when the pressurizing head receives pressure, the compression amount of the elastic structure corresponds to the received pressure, and when the elastic structure receives the same pressure, the deformation amount of the elastic structure is the same. Therefore, the pushing distance of the thrust component is restrained by the limiting structure, so that the deformation of the elastic structure is identical every time, the pressure of the elastic structure to the pressurizing head is identical, the effect of accurately controlling the pressure of the pressurizing head to the tested product is achieved, and the pressure of the pressurizing head to the tested product every time is kept identical.

Preferably, the elastic structure comprises a spring and an orientation structure, wherein two ends of the spring are respectively abutted against the pressurizing head and the thrust component, the orientation structure is connected with the pressurizing head, and the orientation structure is used for limiting the compression direction of the spring.

In the scheme, the directional structure is used for restraining the deformation direction of the spring, so that the spring is ensured to deform in the direction corresponding to the directional structure, the direction of the elastic force of the spring to the pressurizing head is ensured to be kept the same every time, the pressure of the spring to the pressurizing head in the direction corresponding to the directional structure is also the same, and the effect of improving the pressure precision of the pressurizing head is achieved.

Preferably, the orientation structure is an orientation bar, and the thrust assembly is provided with an orientation hole, and the orientation bar is slidably connected with the orientation hole.

In this scheme, adopt the integrated configuration of directional pole and directional hole, in the rod-like structure can insert the spring, from the inside direction to the spring of spring retrain to can follow the axial direction of directional pole when guaranteeing the compression deformation of spring and resume the shape, thereby accurate control spring gives the elasticity size and the direction of pressure head, ensures the precision that the pressure head gave the pressure of survey product.

Preferably, the orientation structure comprises a pen holder, a pen holder and an adjusting nut, the spring is sleeved on the pen holder, the pen holder is located in the pen holder, the adjusting nut is in threaded connection with the pen holder, one end of the spring abuts against the adjusting nut, and the pen holder is connected with the thrust component.

In this scheme, adopt pen container, pen-holder and adjusting nut's integrated configuration, can follow the spring inboard and outside simultaneously retrain the deformation direction of spring to improve the spring and give the precision of the pressure of pressure head. Meanwhile, the pen container can ensure that the spring cannot be influenced by external environment, and ensure that the deformation of the spring is only controlled by the pushing distance of the pushing component. And the adjusting nut is matched with the pen container, so that the initial compression amount of the spring can be adjusted, and the initial pressure of the spring to the pressurizing head is adjusted. At the same push distance, the initial compression of the springs is different, and then the final compression of the springs is also different. When the compression amounts of the springs are different, the pressures given to the springs are also different. Therefore, the initial compression amount of the spring is adjusted through the adjusting nut, and the pressure of the final spring to the pressing head can be adjusted, so that the spring is suitable for pressure testing of different products, and the universality is improved.

Preferably, the thrust assembly comprises a guide rail, a slide block and a linear mechanism, wherein the slide block is slidably connected with the guide rail, the linear mechanism is connected with the slide block and used for pushing the slide block to slide on the guide rail, and the slide block is used for pushing the elastic structure.

In this scheme, adopt the structure of guide rail and slider to restrict the thrust direction of thrust subassembly to ensure that the effort that thrust subassembly gave the spring is the same, the direction of the pressure that the mode of follow control pressure direction received at every turn is unanimous, thereby ensures that the deformation volume at every turn of spring is the same, ensures the precision that the pressure was given to the pressure head by the spring.

Preferably, the limit structure comprises a base, a lifting part and a lifting mechanism, wherein the lifting mechanism is connected with the base and the lifting part, and the lifting mechanism is used for pushing the lifting part to move up and down.

In this scheme, the jacking portion is used for retraining the position of thrust subassembly, and when the thrust subassembly supported in the jacking portion, the thrust subassembly can't continue the compression elastic structure, plays the effect of restraint thrust subassembly thrust distance. The lifting structure is adopted to adjust the position of the lifting part relative to the base, so that the limit position of the lifting part to the thrust component is adjusted, the compression amount of the elastic structure is adjusted, and the elastic structure is adjusted to give the elastic force of the pressing head. The pressure of the pressurizing head to the tested product is changed by changing the elastic structure shape variable, so that the pressurizing head can be applied to different products, and the universality is improved.

Preferably, the jacking portion comprises a mounting block and a limiting upright post, and the limiting upright post is connected to the mounting block.

In this scheme, spacing stand is used for supporting thrust subassembly. The pushing distance of the thrust component is restrained by the limiting upright post, the volume of the jacking part can be controlled, and the position of the jacking part acting on the thrust component can be accurately controlled, so that the restraining position of the jacking part on the thrust component is accurate and reliable.

Preferably, the limiting upright post comprises a supporting post and an upright post cap, the supporting post is connected with the mounting block, and the upright post cap is connected with the end part of the supporting post.

In this scheme, divide into support column and stand cap with spacing stand, stand cap direct with pressurization structure contact, consequently stand cap compares the support column more easily to damage. And when the upright post cap is damaged, the upright post cap can be quickly maintained by replacing the upright post cap. The stand cap is small in size, the maintenance difficulty and cost are reduced, and the maintenance efficiency is improved. Meanwhile, the upright post cap can be made of different materials from the supporting columns, so that the anti-collision performance of the upright post cap is improved, and smaller noise can be generated when the upright post cap collides with the pressurizing structure.

Preferably, the lifting part is provided with a detachable supporting structure, and the lifting mechanism is propped against the supporting structure.

In this scheme, elevating system can exert thrust to bearing structure when adjusting the position of jacking portion, and when thrust subassembly contacted in the jacking portion, thrust subassembly's effort also can pass through the supporting portion and transmit pressure to elevating system. So that the lifting mechanism and the supporting structure are worn during use. By adopting the replaceable supporting structure, the supporting structure can be conveniently replaced after obvious abrasion exists, and only the supporting structure needs to be replaced when the supporting structure is replaced, so that the maintenance cost is reduced. And the accuracy of the constraint distance of the thrust component can be ensured by replacing the supporting structure, so that the compression amount of the elastic structure is controlled, and the accuracy of the pressure given to the pressing head by the elastic mechanism is controlled.

Preferably, a guiding structure is arranged between the base and the lifting part, and the guiding structure is used for restraining the moving direction of the lifting part.

In this scheme, set up the direction of movement that guide structure can retrain the jacking portion to ensure that the jacking portion is accurate to thrust assembly's restraint position, thereby ensure the compression volume accuracy of spring, improve the spring and give the pressure accuracy of pressure head.

The utility model has the following beneficial effects:

the utility model can precisely control the pushing distance of the pushing component to the elastic structure through the constraint of the limiting structure to the pushing component, thereby controlling the deformation quantity of the elastic structure, precisely controlling the pressure of the elastic structure to the pressurizing head, and improving the precision of the pressure of the pressurizing head to the tested product.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the hand grip of the present utility model;

FIG. 3 is a cross-sectional view of one embodiment of an orientation feature of the present utility model;

fig. 4 is a schematic structural view of the limiting structure of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a manual clamp; 2. an orientation structure; 3. a pressurizing head; 4. a limit structure; 5. a slide block; 6. a guide rail; 7. a spring; 101. an operation lever; 102. a fixing seat; 103. a transmission rod; 104. a thrust rod; 201. a penholder; 202. an adjusting nut; 203. a pen container; 204. a stop ring; 401. a base; 402. an adjusting bolt; 403. a limit screw; 404. a strip hole; 405. a stand column cap; 406. a support column; 407. a mounting block; 408. a support structure; 409. a ball; 410. a swing arm structure; 411. and (5) positioning a screw.

Detailed Description

The technical scheme of the utility model is clearly and completely described by a specific implementation mode of the embodiment of the utility model with the aid of the attached drawings.

Referring to fig. 1, the utility model relates to a pressure testing device for an optical device, which comprises a limiting structure 4, an elastic structure, a thrust component and a pressurizing head 3, wherein the pressurizing head 3 is connected with the elastic structure, the elastic structure is connected with the thrust component, and the thrust component is used for pushing the elastic structure and the pressurizing head 3 to move. The limiting structure 4 is arranged on the moving path of the thrust component, and the limiting structure 4 is used for restraining the moving distance of the thrust component, so that the effect of limiting the thrust of the thrust component is achieved. The thrust component is restrained by the limiting structure 4, so that when the thrust component contacts with the limiting structure 4, the compression amount of the elastic structure between the pressurizing head 3 and the thrust component is the same, the pressurizing head 3 receives the same pressure of the elastic structure, the pressure given to the optical device by the pressurizing head 3 is kept the same, the pressure given to the optical device is accurately controlled, and the accuracy of the detection result of the optical device is improved.

The thrust assembly comprises a guide rail 6, a slide block 5 and a linear mechanism, wherein the slide block 5 is slidably connected with the guide rail 6, and the linear mechanism is connected with the slide block 5 and is used for pushing the slide block 5 to slide on the guide rail 6. The slider 5 is connected with the elastic structure, which follows the slider 5 when the slider 5 moves. Therefore, when it is necessary to press the optical device, the linear mechanism pushes the slider 5 to move in the direction of the optical device, and the pressing head 3 is abutted against the optical device. The linear mechanism continues to push the sliding block 5 to move, and the sliding block 5 moves to compress the elastic structure. And when the elastic structure is compressed, the acting force given to the pressing head 3 is increased, so that the acting force given to the optical device by the pressing head 3 is improved. The compression amount of the elastic structure and the acting force given to the pressing head 3 are corresponding values, so the utility model limits the compression amount of the elastic structure by limiting the position of the thrust component through the limiting structure 4, and controls the pressure based on the pressing head 3 by controlling the compression amount of the elastic structure, thereby controlling the pressure applied to the optical device by the pressing head 3.

The linear mechanism can be a structure such as a screw rod, an adjusting bolt 402202 or a manual clamp 1, or a structure such as an air cylinder, a hydraulic cylinder and a servo electric cylinder.

As shown in fig. 2, in one embodiment, the linear mechanism is a manual clamp 1, the manual clamp 1 includes a fixed seat 102, an operation rod 101, a transmission rod 103 and a thrust rod 104, the fixed seat 102 is provided with a guide hole, the thrust rod 104 is slidably connected with the guide hole, the operation rod 101 is provided with two hinge holes, the operation rod 101 is respectively hinged with the fixed seat 102 and the transmission rod 103 through the two hinge holes, the transmission rod 103 is also provided with two hinge holes, and the transmission rod 103 is respectively hinged with the operation rod 101 and the thrust rod 104 through the two hinge holes. When the operating rod 101 is shifted, the operating rod 101 swings around the hinge point with the fixed seat 102, so that the driving rod 103 is pushed to move, and the driving rod 103 moves to cause the thrust rod 104 to slide along the guide hole, so that the swinging movement of the operating rod 101 is converted into the linear movement of the thrust rod 104. The thrust rod 104 is fixedly connected with the sliding block 5, and the axis of the thrust rod 104 is parallel to the sliding direction of the sliding block 5. The push rod 104 of the manual clamp 1 is connected with the slide block 5, and the push rod 104 is moved by pulling the operating rod 101, so that the slide block 5 is pushed by the push rod 104 to move, and the slide block 5 drives the elastic structure to move along the direction of the guide rail 6.

The elastic structure comprises a spring 7 and an orientation structure 2, one end of the spring 7 is propped against the pressurizing head 3, the other end of the spring 7 is propped against the sliding block 5, the orientation structure 2 is used for restraining the expansion direction of the spring 7, so that the compression amount of the spring 7 corresponds to the pressure, and the compression amount and the pressure are prevented from being not corresponding due to the deviation of the compression direction of the spring 7.

In one embodiment, the orientation structure 2 may be an orientation rod, the spring 7 is sleeved on the orientation rod, and the slider 5 is provided with an orientation hole adapted to the orientation rod, and the orientation rod is slidably connected with the orientation hole. The top end of the pressurizing head 3 is connected with one end of the orientation rod, and two ends of the spring 7 are respectively connected with the sliding block 5 and the pressurizing head 3. When the spring 7 is compressed, the orientation rod slides relative to the orientation hole, and the compression direction of the spring 7 is the same as the axial direction of the orientation rod, so that the compression amount of the spring 7 corresponds to the elastic force, and the pressure applied to the optical device by the pressing head 3 is accurate. The connection mode of the pressurizing head 3 and the directional rod can be welding or threaded connection, and the pressurizing head 3 and the directional rod can be integrally formed. The connection mode between the spring 7 and the pressurizing head 3 is welding or bonding, and similarly, the connection mode between the spring 7 and the sliding block 5 can also be welding or bonding.

As shown in fig. 3, in another embodiment, the orientation structure 2 includes a barrel 203, a barrel 201, and an adjusting nut 202, the spring 7 is sleeved on the barrel 201, the barrel 201 is provided with a limiting step, and one end of the spring 7 abuts against the limiting step. The pen holder 201 is located in the pen holder 203, the adjusting nut 202 is in threaded connection with the pen holder 203, the other end of the spring 7 abuts against the adjusting nut 202, and the spring 7 can be compressed by screwing the adjusting nut 202, so that the initial elastic force of the spring 7 is adjusted. The adjusting nut 202 is provided with an axial through hole, so that the pen holder 201 can pass through the through hole, and the axial movement of the adjusting nut 202 is prevented from being blocked by the pen holder 201. The pen holder 201 limits the spring 7 from the inner side of the spring 7, ensures that the compression direction of the spring 7 is consistent with the axial direction, and the pen container 203 limits the spring 7 from the outer side and provides protection for the spring 7. The pen container 203 is fixedly connected with the sliding block 5, and the pressurizing head 3 is fixedly connected with the pen holder 201. The pen container 203 is provided with a fixing step, and the fixing step is fixedly connected with the sliding block 5 through fasteners such as bolts. The pressurizing head 3 and the pen holder 201 may be connected by a threaded or welded manner, and the pressurizing head 3 and the pen holder 201 may be integrally formed. The initial pressure of the spring 7 can be adjusted by replacing the spring 7 or by adjusting the nut 202 when detecting different types of light devices. When the pressure given by the pressing head 3 to the optical device is equal to the preset pressure, the spring 7 is acted by the pressure of the pressing head 3, compression occurs in the pressing process, the spring 7 is not in a fully compressed state, the compression amount of the spring 7 corresponds to the elastic force, and therefore, when the spring 7 is in the compressed state, the pressure given to the pressing head 3 is the same.

In order to avoid the rotation of the adjusting nut 202, which would cause the rotation of the spring 7, and avoid the damage to the spring 7 caused by the torsion of the spring 7, the spring 7 indirectly abuts against the adjusting nut 202, a stop ring 204 is provided between the spring 7 and the adjusting nut 202, and the spring 7 and the adjusting nut 202 abut against two end surfaces of the stop ring 204 respectively.

As shown in fig. 4, the limiting structure 4 includes a base 401, a lifting portion and a lifting mechanism, the lifting mechanism is connected with the base 401, and the lifting mechanism is used for pushing the lifting portion to move up and down, so that the limiting position of the limiting structure 4 on the thrust component is adjusted, the compression amount of the elastic structure is adjusted, and the pressure given to the pressing head 3 is adjusted by adjusting the compression amount of the elastic structure.

The jacking portion comprises a mounting block 407 and a limiting upright post, and the limiting upright post is connected to the mounting block 407. The limiting upright post is of a rigid rod-shaped structure and is used for supporting the thrust component, when the thrust component is propped against the limiting upright post, the thrust component is supported by the limiting upright post, so that the thrust component cannot continuously push the pressurizing head 3, and the pressure applied by the pressurizing head 3 to the optical device is not increased. The lifting mechanism adjusts the height of the limiting upright post by pushing the mounting block 407 to move up and down, so that the limiting distance of the thrust component is adjusted, the compression amount of the elastic structure is affected, the pressure applied to the optical device by the pressurizing head 3 is controlled, and the pressurizing regulation and control precision of the optical device is improved. Similarly, when the pressurization of the thrust assembly is reversely changed, the axial direction of the limiting post and the moving direction of the mounting block 407 are also changed, so that the axial direction of the limiting post is parallel to the pressurization direction of the thrust assembly, and the moving direction of the mounting block 407 is parallel to the pressurization direction of the thrust assembly.

The limiting upright post comprises a supporting post 406 and an upright post cap 405, the supporting post 406 is fixedly connected with the mounting block 407 through threads, and the upright post cap 405 is fixed to the top of the supporting post 406 through threaded connection, sleeving connection or bonding. The post cap 405 is configured to contact the slider 5 of the thrust assembly, such that when the slider 5 abuts the post cap 405, the slider 5 cannot continue to move. The stand cap 405 is independently arranged, after the stand cap 405 is worn or damaged by pressure, the stand cap 405 can be directly replaced without replacing the whole limiting stand, so that the maintenance cost is reduced, and the maintenance operation is simplified. Moreover, the hard limit upright post is usually made of impact-resistant metal materials, such as: SKD11, S136, etc. to ensure the stability of the spacing stand, and the thrust component collides with the spacing stand of metal material, produces great noise easily, therefore, the support column 406 still can adopt metal material to ensure the stability of supporting effect, and the stand cap 405 has adopted high density non-metal material as the contact element in order to reach spacing accuracy and reduce the effect of the noise that the collision produced, makes the collision sound of stand cap 405 and thrust component little, spacing accuracy, like: PE1000, PEEK, and the like.

The mounting block 407 has a block structure, and the specific shape of the block structure may be set as required.

A buffer structure is arranged between the jacking part and the sliding block 5 of the thrust assembly. When the slider 5 approaches the pillar cap 405, the buffer structure is first contacted with the mounting block 407, so that the sliding resistance of the slider 5 is increased, and the speed of the slider 5 is reduced, and the speed of the slider 5 when colliding with the pillar cap 405 is reduced. The buffer structure can reduce damage caused by high-speed collision of the sliding block 5 and the upright post cap 405, and improve the stability and the service life of the whole equipment.

The buffer structure may be provided on the mounting block 407 or may be provided on the slider 5. The buffer structure may be a structure such as a gas spring 7 or a hydraulic buffer.

The lifting mechanism comprises a linear mechanism and a swing arm structure 410, the swing arm structure 410 is provided with a positioning hole, and the swing arm structure 410 is matched with the positioning hole through a positioning screw 411 so that the swing arm structure 410 can be connected with the base 401 in a swinging manner. The swing arm structure 410 is provided with two supporting points, one supporting point is abutted against the linear mechanism, the linear mechanism pushes the swing arm structure 410 to swing, and the other supporting point is abutted against the jacking part. When the linear mechanism pushes the swing arm to swing, the supporting point abutting against the lifting part can displace, so that the lifting part can lift. For example, when the support point against the jacking structure swings downward, then the jacking portion descends; on the contrary, when the supporting point abutting against the jacking structure swings upwards, the jacking part ascends.

In one embodiment, the swing arm structure 410 is a bent rod, the pushing direction of the linear mechanism is horizontally set, the bending angle of the bent rod is 90 °, the positioning hole is disposed at the bending position of the bent rod, and the two supporting points are respectively disposed at two ends of the bent rod. When the straight line mechanism stretches to push the bent rod, the bent rod winds around the positioning Kong Baidong, so that the jacking part is pushed to move upwards, and the limiting height of the jacking part is increased. When the linear mechanism is shortened, the jacking part can descend under the action of gravity, the bent rod can downwards swing under the action of gravity and the pressure of the jacking part until the linear mechanism stops shortening, and the bent rod abuts against the linear mechanism. Similarly, when the linear mechanism is vertically disposed, the swing arm structure 410 may also be a straight rod, and when the linear mechanism presses down one end of the straight rod, the other end of the straight rod moves upwards, so as to push the lifting portion to move upwards.

In another embodiment, the swing arm structure 410 is in the shape of a triangular block. The positioning hole is arranged at one angle of the triangular block, so that the triangular block can swing. The straight line mechanism and the lifting part are respectively abutted against two surfaces of the triangular block. Similarly, the swing arm structure 410 may also be a block structure such as a rectangular block.

The supporting point of the swing arm structure 410 is provided with a ball 409, and the ball 409 abuts against the linear mechanism and the lifting part. The ball 409 structure can reduce friction with the linear mechanism and the lifting part when the swing arm structure 410 swings, so that the swing of the swing arm structure 410 is smoother. The balls 409 may be universal balls 409 fixed to the swing arm structure 410, or may be spherical structures embedded in the swing arm structure 410. When the ball 409 is directly embedded in the swing arm structure 410, an arc groove is formed in the swing arm structure 410, and the ball 409 is placed in the arc groove, so that the position of the ball 409 can be restrained by directly utilizing the acting force of the lifting part and the linear mechanism, and the ball 409 is prevented from falling off from the swing arm structure 410.

Similarly, the supporting point may also be a spherical structure directly machined on the swing arm structure 410, and although the spherical structure cannot rotate relative to the linear mechanism and the lifting portion, the spherical structure still can make the swing process of the swing arm structure 410 smoother.

The linear mechanism is a screw rod, when the jacking part is pressed by the pressing structure, acting force can be transmitted to the screw rod through the swing arm structure 410, the screw rod cannot displace when the acting force of the swing arm structure 410 is received, and stability of the jacking part is ensured.

The linear mechanism may also be an adjustment bolt 402.

The mounting block 407 is provided with a support structure 408, which support structure 408 abuts against a support point of a swing arm structure 410. After a long period of operation, the lifting portion can be maintained by replacing the supporting structure 408 even if the supporting point of the swing arm structure 410 wears the mounting block 407.

In one embodiment, the support structure 408 is a screw, and the support point abuts against a nut of the screw.

In another embodiment, the support structure 408 is a block, the support point being against one face of the block, the block being secured to the mounting block 407 by fasteners such as screws.

The base 401 is a block structure, and the specific shape of the block structure can be set according to needs.

A guide structure is disposed between the mounting block 407 and the base 401, for limiting the moving direction of the mounting block 407.

In one embodiment, the base 401 is fixed with a metal sheet, and the metal sheet is processed with a strip hole 404, and the length direction of the strip hole 404 is parallel to the pressurizing direction of the pressurizing structure. The mounting block 407 is provided with a limit screw 403, and the limit screw 403 passes through the strip hole 404 and is fixedly connected with the mounting block 407. The diameter of the limit screw 403 is the same as the width of the bar hole 404, so that the limit screw 403 can only slide along the length direction of the bar hole 404. Therefore, under the cooperation of the bar hole 404 and the limit screw 403, the moving direction of the mounting block 407 is constrained, so that the moving direction of the lifting portion is the same as the length direction of the bar hole 404. The strip-shaped holes and the bolts are used for guiding in a matching manner, so that the function of restraining the moving distance of the lifting part can be achieved, the moving distance of the lifting part is limited by the length of the strip-shaped holes 404, and meanwhile the lifting part can be prevented from being separated from the base 401.

In another embodiment, the base 401 and the mounting block 407 are provided with a structure of a slide rail and a slide block 5, and the slide rail and the slide block 5 are respectively fixed on the base 401 and the mounting block 407 through fasteners, so that the base 401 and the mounting block 407 can slide relative to each other.

In yet another embodiment, a guide hole and a guide post are provided between the base 401 and the mounting block 407, and the guide post slidably engages with the guide hole. Thus, when there is relative movement between the base 401 and the mounting block 407, the direction of the relative movement is parallel to the axis of the guide post. When the guide posts are cylindrical, two guide posts can be provided to avoid relative rotation between the base 401 and the mounting block 407, and when the guide posts are prisms, only one guide post is needed to avoid relative rotation between the base 401 and the mounting block 407.

When the optical device is subjected to pressurization test, the optical device is placed on the lower side of the pressurization head 3, the pushing component pushes the pressurization head 3 to be abutted against the optical device, the pushing component continuously increases pressure, and when the sliding block 5 of the pushing component is abutted against the upright cap 405, the pressure given by the pressurization head 3 to the optical device is preset pressure, so that the detection of the optical device is realized. When the optical device is required to be detected, the preset pressure value for detecting the optical device is changed. At the moment, the position of the limiting stand column is regulated, and the stop position of the thrust component is regulated, so that the compression amount of the elastic structure is changed, the pressure of the elastic structure to the pressurizing head 3 is changed, and the pressure of the pressurizing head 3 to the optical device is enabled to be in accordance with the preset pressure of the optical device. Therefore, when the pressurizing detection is performed for different types of optical devices, the pressure applied to the optical devices by the pressurizing head 3 is changed by changing the amount of compression of the elastic structure.

Claims (10)

1. An optical device pressure testing device is characterized in that: including limit structure (4), elastic structure, thrust subassembly and pressurization head (3), elastic structure one end with thrust subassembly is connected, the elastic structure other end with pressurization head (3) are connected, limit structure (4) set up in on thrust subassembly's the travel path for retrain thrust subassembly's push distance.

2. The optical device pressure testing apparatus of claim 1, wherein: the elastic structure comprises a spring (7) and an orientation structure (2), two ends of the spring (7) are respectively abutted against the pressurizing head (3) and the thrust component to be connected, the orientation structure (2) is connected with the pressurizing head (3), and the orientation structure (2) is used for limiting the compression direction of the spring (7).

3. The optical device pressure testing apparatus of claim 2, wherein: the orientation structure (2) is an orientation rod, the thrust component is provided with an orientation hole, and the orientation rod is slidably connected with the orientation hole.

4. The optical device pressure testing apparatus of claim 2, wherein: the directional structure (2) comprises a pen holder (203), a pen holder (201) and an adjusting nut (202), the spring (7) is sleeved on the pen holder (201), the pen holder (201) is located in the pen holder (203), the adjusting nut (202) is in threaded connection with the pen holder (203), one end of the spring (7) abuts against the adjusting nut (202), and the pen holder (203) is connected with the thrust component.

5. The optical device pressure testing apparatus of claim 1, wherein: the thrust component comprises a guide rail (6), a sliding block (5) and a linear mechanism, wherein the sliding block (5) is slidably connected with the guide rail (6), and the linear mechanism is connected with the sliding block (5) and is used for pushing the sliding block (5) to slide on the guide rail (6).

6. The optical device pressure testing apparatus of claim 1, wherein: the limiting structure (4) comprises a base (401), a jacking part and a lifting mechanism, wherein the lifting mechanism is connected with the base (401) and the jacking part, and the lifting mechanism is used for pushing the jacking part to move up and down.

7. The optical device pressure testing apparatus of claim 6, wherein: the jacking part comprises a mounting block (407) and a limiting upright post, and the limiting upright post is connected to the mounting block (407).

8. The optical device pressure testing apparatus of claim 7, wherein: the limiting stand column comprises a support column (406) and a stand column cap (405), wherein the support column (406) is connected with the mounting block (407), and the stand column cap (405) is connected with the end part of the support column (406).

9. The optical device pressure testing apparatus of claim 6, wherein: the jacking portion is provided with a detachable support structure (408), the lifting mechanism being against the support structure (408).

10. The optical device pressure testing apparatus of claim 6, wherein: a guide structure is arranged between the base (401) and the jacking portion, and the guide structure is used for restraining the moving direction of the jacking portion.