CN217738507U

CN217738507U - Tension sensor with protection device

Info

Publication number: CN217738507U
Application number: CN202221167321.7U
Authority: CN
Inventors: 贺迪
Original assignee: Tianjin Hengyuan Transducers Tech Co ltd
Current assignee: Tianjin Hengyuan Transducers Tech Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-04
Anticipated expiration: 2032-05-16

Abstract

The application provides a force sensor with protector belongs to the force sensor field. This force sensor with protector includes force sensor body and protection machanism, just from top to bottom has set gradually first U-shaped kerve and second U-shaped kerve on the force sensor body, every edge of force sensor body all is provided with the retaining member, protection machanism includes protection piece, elastic component and metal balancing weight, the protection piece with the retaining member corresponds the setting, the protection piece passes through the retaining member with force sensor body movable mounting, the metal balancing weight passes through the elastic component install in the protection piece bottom, this force sensor with protector is convenient for protect force sensor.

Description

Tension sensor with protection device

Technical Field

The application relates to the field of tension sensors, in particular to a tension sensor with a protection device.

Background

The tension sensor is a device which converts a physical signal into a measurable electric signal to be output. And the tension sensor is connected with an external display device so as to measure the tension value.

The existing tension sensor is small in size and does not have a protection function, and when the tension sensor drops from a hand or a desktop, the tension sensor collides with the ground, so that the tension sensor generates vibration of a large degree, and therefore electrical elements inside the tension sensor are easily damaged. The existing tension sensor is inconvenient to protect the situations, particularly, the impact force between the tension sensor and the ground collided with each other is inconvenient to buffer, and therefore certain limitation is achieved.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a tension sensor with a guard device, aiming at improving the above proposed problems.

The embodiment of the application provides a force sensor with protector, including force sensor body and protection machanism, on the force sensor body and from top to bottom set gradually first U-shaped kerve and second U-shaped kerve, every end angle department of force sensor body all is provided with the retaining member, protection machanism includes protection piece, elastic component and metal balancing weight, the protection piece with the retaining member corresponds the setting, the protection piece passes through the retaining member with force sensor body movable mounting, the metal balancing weight passes through the elastic component install in the protection piece bottom.

In the implementation process, the tension sensor body is connected with external display equipment through a wire, two hands of a worker are respectively placed into the first U-shaped pull groove and the second U-shaped pull groove, so that the tension sensor body is pulled, so that the external display equipment can be used for displaying the pulling force of a hand, when the tension sensor body drops from the hand or a desktop, because the metal counterweight block is installed at the bottom of the protective block through the elastic piece, the metal counterweight block has larger mass, so that the metal counterweight block has larger probability to contact the ground when the tension sensor body drops (namely, the tension sensor body has larger vertical drop), then the metal counterweight block contacts the ground and collides with the ground, so that the metal counterweight block moves upwards, at the moment, the elastic piece is compressed through the reaction force after the elastic piece, so that the metal counterweight block has the tendency of resetting movement, the collision between the tension sensor body and the ground can be buffered to a certain degree, and the sensor is protected, because the protective block is movably installed with the tension sensor body through the locking piece, when the tension sensor body is not used, the tension sensor body occupies the space, and the protective block is prevented from being placed.

In a specific implementation scheme, the retaining member comprises a stud, a first nut and a second nut, the stud is fixed outside the tension sensor body, the first nut is sleeved with the stud in a threaded manner and is in contact with the tension sensor body, the protection block is of an L shape, the protection block is movably sleeved with the stud, the second nut is sleeved with the stud in a threaded manner, one end of the protection block, far away from the tension sensor body, is in contact with the second nut, a through hole for the stud to pass through is formed in the protection block, a reset spring is arranged between the protection block and the first nut, the reset spring is movably sleeved outside the stud, and two ends of the reset spring are in contact with the protection block and the first nut respectively.

In the above-mentioned realization in-process, in the installation of protection piece, at first the second nut all is not located the double-screw bolt outside with the protection piece, establish reset spring cover at the double-screw bolt outside and make its one end contact with first nut, pass the through-hole on the protection piece with the double-screw bolt again, make the protection piece contact with the reset spring other end, spin second nut again makes its screw thread cup joint in the double-screw bolt, and make the protection piece be located between reset spring and the second nut, thereby so that simple effectual completion protection piece's installation, when the force sensor body receives horizontal impact force, the protection piece passes through the through-hole and moves on the double-screw bolt this moment, so that reset spring compresses, reaction force after compressing through reset spring, so that buffering force sensor body receives the impact force.

In a specific implementation scheme, a slide rod is arranged outside the tension sensor body and close to the position of the protection block, a slide block is arranged on the protection block, and the slide block is sleeved on the slide rod in a sliding manner.

In the implementation process, the slide block can penetrate through the slide rod in the process that the protective block is sleeved on the stud, so that the slide block and the slide rod form a sliding sleeved relation, and the protective block is conveniently installed and positioned.

In a specific embodiment, the elastic component includes bar groove, montant and compression spring, the bar groove set up in the protection piece bottom, the montant slide set up in the bar groove, compression spring set up in bar inslot portion, the montant passes through compression spring with the bar inslot top links to each other.

In the above-mentioned realization process, when the metal balancing weight received the collision on ground and when the rebound, the montant slided in the bar inslot this moment to drive compression spring and compress, through the reaction force when compression spring compresses, in order to drive the montant and have the trend of lapse, thereby to the effect that plays springiness cushioning between protective block and the metal balancing weight.

In a specific implementation scheme, a first magnetic block is arranged at the top of the inner wall of the strip-shaped groove, a second magnetic block is arranged at the top of the vertical rod, the first magnetic block and the second magnetic block are of like magnetic poles, and the compression spring is arranged between the first magnetic block and the second magnetic block.

In the implementation process, the first magnetic block and the second magnetic block have like magnetic poles, so that the first magnetic block and the second magnetic block have repulsive force, when the vertical rod moves upwards, the second magnetic block is driven to be close to the first magnetic block, and the vertical rod and the metal counterweight block at the bottom of the vertical rod have the tendency of resetting movement through the repulsive force between the first magnetic block and the second magnetic block.

In a specific embodiment, the elastic member is provided with a plurality of elastic members, and the plurality of elastic members are uniformly distributed between the protection block and the metal counterweight.

In the implementation process, through the design, the elastic connection effect between the metal balancing weight and the protection block is improved.

In a specific embodiment, a rubber pad is arranged at one end of the metal counterweight far away from the elastic member.

In the implementation process, the rubber pad has elasticity so as to buffer the collision degree between the metal counterweight block and the ground.

In a specific embodiment, through holes are formed in the tension sensor body, two through grooves are formed in the tension sensor body, and the two through grooves are respectively communicated with the first U-shaped pull groove and the second U-shaped pull groove.

In the implementation process, through the arrangement of the two through grooves, an external pulling mechanism can penetrate through the through grooves to enter the second U-shaped pulling groove or the first U-shaped pulling groove, so that the pulling force sensor can be pulled.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a tension sensor with a guard according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a guard mechanism provided in an embodiment of the present application;

FIG. 3 is a front cross-sectional view of the guard block of FIG. 2 provided in accordance with an embodiment of the present application;

fig. 4 is a front cross-sectional view of a tension sensor body according to an embodiment of the present disclosure.

In the figure: 100-a tension sensor body; 110-a first U-shaped pull groove; 120-a second U-shaped draw groove; 130-a retaining member; 131-a stud; 132-a first nut; 133-a second nut; 140-a slide bar; 150-through slots; 200-a guard mechanism; 210-a guard block; 211-a return spring; 212-a slider; 220-a resilient member; 221-a strip groove; 2211-first magnetic block; 222-a vertical rod; 2221-a second magnetic block; 223-a compression spring; 230-metal weight.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1-4, the present application provides a tension sensor with a protection device, including a tension sensor body 100 and a protection mechanism 200, the tension sensor body 100 is sequentially provided with a first U-shaped pull groove 110 and a second U-shaped pull groove 120 from top to bottom, each end corner of the tension sensor body 100 is provided with a locking member 130, the protection mechanism 200 includes a protection block 210, an elastic member 220 and a metal weight block 230, the protection block 210 and the locking member 130 are correspondingly disposed, the protection block 210 is movably mounted on the tension sensor body 100 through the locking member 130, and the metal weight block 230 is mounted at the bottom of the protection block 210 through the elastic member 220.

In some specific embodiments, the locking member 130 includes a stud 131, a first nut 132 and a second nut 133, the stud 131 is fixed outside the strain sensor body 100, the first nut 132 is in threaded sleeve connection with the stud 131 and contacts with the strain sensor body 100, the protection block 210 is L-shaped, the protection block 210 is movably sleeved on the stud 131, the second nut 133 is in threaded sleeve connection with the stud 131, one end of the protection block 210 away from the strain sensor body 100 contacts with the second nut 133, a through hole for the stud 131 to pass through is formed in the protection block 210, a return spring 211 is disposed between the protection block 210 and the first nut 132, the return spring 211 is movably sleeved outside the stud 131, two ends of the return spring 211 are respectively in contact with the protection block 210 and the first nut 132, during installation of the protection block 210, the second nut 133 and the protection block 210 are not located outside the stud 131 at first time, the return spring 211 is sleeved outside the stud 131 and has one end in contact with the first nut 132, the stud 131 passes through the through hole in the protection block 210, the other end of the protection block 210 contacts with the other end of the return spring 133, and the second nut 133 is sleeved to enable the screw to rotate, so that the screw 133 is located on the stud 131 to enable the stud 131 to be located between the protection block 210 to compress the strain sensor body 100, thereby buffering the strain sensor body 100.

In some specific embodiments, a sliding rod 140 is disposed outside the tension sensor body 100 and near the protection block 210, a sliding block 212 is disposed on the protection block 210, the sliding block 212 is slidably sleeved on the sliding rod 140, and during the process of sleeving the protection block 210 on the stud 131, the sliding block 212 can pass through the sliding rod 140, so that the sliding block 212 and the sliding rod 140 form a slidably sleeved relationship, so as to position the installation of the protection block 210.

In some specific embodiments, elastic component 220 includes bar groove 221, montant 222 and compression spring 223, bar groove 221 sets up in protection piece 210 bottom, montant 222 slides and sets up in bar groove 221, compression spring 223 sets up inside bar groove 221, montant 222 passes through compression spring 223 and links to each other with bar groove 221 internal top, when metal balancing weight 230 receives the collision on ground and when the rebound, montant 222 slides in bar groove 221 this moment, compress in order to drive compression spring 223, reaction force when compressing through compression spring 223, in order to drive montant 222 and have the trend of lapse, thereby to playing the effect of elastic buffer between protection piece 210 and the metal balancing weight 230.

In some specific embodiments, a first magnetic block 2211 is disposed on the top of the inner wall of the strip-shaped groove 221, a second magnetic block 2221 is disposed on the top of the vertical rod 222, the first magnetic block 2211 and the second magnetic block 2221 have like magnetic poles, and the compression spring 223 is disposed between the first magnetic block 2211 and the second magnetic block 2221, because the first magnetic block 2211 and the second magnetic block 2221 have like magnetic poles, the two have repulsive forces, when the vertical rod 222 moves upward, the second magnetic block 2221 is driven to be close to the first magnetic block 2211, and the vertical rod 222 and the metal counterweight block 230 at the bottom thereof have a tendency of resetting movement through the repulsive force therebetween.

In some specific embodiments, the number of the elastic members 220 is several, and the several elastic members 220 are uniformly distributed between the protection block 210 and the metal weight 230, so as to improve the elastic connection effect between the metal weight 230 and the protection block 210.

In some embodiments, an end of the metal weight 230 away from the elastic member 220 is provided with a rubber pad having elasticity so as to cushion the degree of collision between the metal weight 230 and the ground.

In some specific embodiments, two through grooves 150 are disposed inside the tension sensor body 100, and the two through grooves 150 are respectively communicated with the first U-shaped pulling groove 110 and the second U-shaped pulling groove 120, so that an external pulling mechanism can be used to pass through the through grooves 150 and enter the second U-shaped pulling groove 120 or the first U-shaped pulling groove 110, thereby pulling the tension sensor body 100.

The working principle of the tension sensor with the protection device is as follows: the tensile force sensor body 100 is connected with an external display device through a wire, two hands of a worker are respectively placed into the first U-shaped pull groove 110 and the second U-shaped pull groove 120, so that the tensile force sensor body 100 can be pulled, the tensile force of the hands can be displayed through the external display device, when the tensile force sensor body 100 falls from the hands or a desktop, because the metal counterweight 230 is installed at the bottom of the protective block 210 through the elastic piece 220, the metal counterweight 230 has larger mass, so that the metal counterweight 230 has a larger probability of contacting the ground when the tensile force sensor body 100 falls (namely, the tensile force sensor body 100 has a larger probability of vertically falling), then the metal counterweight 230 contacts the ground and collides with the ground, so that the metal counterweight 230 moves upwards, at the moment, the elastic piece 220 is compressed, the metal counterweight 230 has a resetting movement trend through the reaction force after the elastic piece 220 is compressed, the collision between the tensile force sensor body 100 and the ground can be buffered to a certain extent, and therefore, the protective effect on the protection of the tensile force sensor body 100 is achieved, and the protective piece 210 is movably installed through the tensile force sensor body 100, so that the protective piece 100 does not occupy the tensile force when the tensile force sensor body 100 is taken down, and the tensile force sensor body is not taken, so that the protective space is not occupied by the protective piece is avoided.

It should be noted that the specific model specification of the tension sensor body 100 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the tension sensor body 100 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A tension sensor with a protection device is characterized by comprising

The tension sensor comprises a tension sensor body (100), wherein a first U-shaped pull groove (110) and a second U-shaped pull groove (120) are sequentially arranged on the tension sensor body (100) from top to bottom, and a locking piece (130) is arranged at each end corner of the tension sensor body (100);

protection machanism (200), protection machanism (200) are including protection piece (210), elastic component (220) and metal balancing weight (230), protection piece (210) with retaining member (130) correspond the setting, protection piece (210) pass through retaining member (130) with force sensor body (100) movable mounting, metal balancing weight (230) pass through elastic component (220) install in protection piece (210) bottom.

2. The tension sensor with the protection device according to claim 1, wherein the locking member (130) comprises a stud (131), a first nut (132) and a second nut (133), the stud (131) is fixed outside the tension sensor body (100), the first nut (132) is in threaded sleeve connection with the stud (131) and contacts with the tension sensor body (100), the protection block (210) is in an L shape, the protection block (210) is movably sleeved on the stud (131), the second nut (133) is in threaded sleeve connection with the stud (131), and one end, far away from the tension sensor body (100), of the protection block (210) contacts with the second nut (133).

3. The tension sensor with the protection device according to claim 2, wherein the protection block (210) is provided with a through hole for the stud (131) to pass through.

4. The tension sensor with a protection device according to claim 2, wherein a return spring (211) is arranged between the protection block (210) and the first nut (132), the return spring (211) is movably sleeved outside the stud (131), and two ends of the return spring (211) are respectively in contact with the protection block (210) and the first nut (132).

5. The tension sensor with the protection device according to claim 2, wherein a slide rod (140) is arranged outside the tension sensor body (100) and close to the protection block (210), a slide block (212) is arranged on the protection block (210), and the slide block (212) is slidably sleeved on the slide rod (140).

6. The tension sensor with the protection device according to claim 1, wherein the elastic member (220) comprises a strip-shaped groove (221), a vertical rod (222) and a compression spring (223), the strip-shaped groove (221) is arranged at the bottom of the protection block (210), the vertical rod (222) is slidably arranged in the strip-shaped groove (221), the compression spring (223) is arranged inside the strip-shaped groove (221), and the vertical rod (222) is connected with the inner top of the strip-shaped groove (221) through the compression spring (223).

7. The tension sensor with the protection device as claimed in claim 6, wherein a first magnetic block (2211) is arranged on the top of the inner wall of the strip-shaped groove (221), a second magnetic block (2221) is arranged on the top of the vertical rod (222), the first magnetic block (2211) and the second magnetic block (2221) are like magnetic poles, and the compression spring (223) is arranged between the first magnetic block (2211) and the second magnetic block (2221).

8. The tension sensor with a protection device according to claim 7, wherein the elastic member (220) is provided with a plurality of elastic members (220), and the plurality of elastic members (220) are uniformly distributed between the protection block (210) and the metal counterweight (230).

9. The tension sensor with a protection device according to claim 1, wherein an end of the metal weight block (230) away from the elastic member (220) is provided with a rubber pad.

10. The tension sensor with a protection device according to claim 1, wherein a through groove (150) is arranged inside the tension sensor body (100), two through grooves (150) are arranged, and the two through grooves (150) are respectively communicated with the first U-shaped pull groove (110) and the second U-shaped pull groove (120).