CN213839286U

CN213839286U - Elastic compensation guide rail device

Info

Publication number: CN213839286U
Application number: CN202022637026.0U
Authority: CN
Inventors: 蒙海强; 陆利芬
Original assignee: Zhishen Information Shenzhen Co ltd
Current assignee: Zhishen Information Shenzhen Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-30
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an elastic compensation guide rail device, which comprises a slide block and a slide rail; the sliding block comprises a dovetail sliding groove and a pushing part, and the sliding rail is provided with a dovetail sliding rail matched with the dovetail sliding groove; the pushing part comprises a pushing block, an elastic part and a pushing block sliding groove matched with the pushing block, the opening of the pushing block sliding groove points to the sliding rail, and the elastic part is used for applying elastic force for pushing the pushing block to tightly push the sliding rail along the pushing block sliding groove. The utility model discloses an elastic compensation guide rail device need not have higher machining precision, can utilize the elastic compensation forked tail slide rail of elastic component and forked tail spout's machining precision to realize that smooth-going slip obtains stable shooting effect.

Description

Elastic compensation guide rail device

Technical Field

The utility model relates to a photographic auxiliary assembly field especially relates to an elastic compensation guide rail device.

Background

In the photographic auxiliary assembly field, remove and shoot the in-process in order to obtain better shooting effect, often need with the help of guide rail device, slide block and slide rail through high cooperation precision during current guide rail device constitute, and need adopt smooth material relatively to cooperate to can smooth-going slip obtain stable shooting effect in the use, but the guide rail device among the prior art needs higher cooperation precision, so the processing degree of difficulty is great and the preparation cost is higher.

In the prior art, for example, a linear guide rail slider disclosed in chinese patent CN106151268A includes a slider body, two ends of the slider body in a sliding direction are respectively fixed with an external circulator, the slider body and the external circulator are respectively provided with a slider body guide rail hole and an external circulator guide rail hole which are adapted to a cross section shape of a guide rail, and hole walls of the slider guide rail hole and the external circulator guide rail hole are provided; the linear guide rail sliding block structure disclosed in chinese patent CN209262066U comprises a sliding block body, a dovetail groove, and a roller, wherein elastic anti-collision plates are mounted at both ends of the sliding block body through fixing bolts, fixing cavities are uniformly arranged inside both ends of the sliding block body, and the roller is arranged on one side inside the fixing cavities. The slider in the prior art needs to have higher cooperation precision with the guide rail and just can eliminate the clearance between guide rail and the slider to realize the effect of steady shooting, consequently, the processing degree of difficulty is great and the preparation cost is higher.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an elastic compensation guide rail device aims at solving among the current guide rail device that slide rail and slider machining precision are great, the higher scheduling problem of cost of manufacture.

The utility model discloses take following technical scheme to realize above-mentioned purpose:

an elastic compensation guide rail device comprises a slide block and a slide rail; the sliding block comprises a dovetail sliding groove and a pushing part, and the sliding rail is provided with a dovetail sliding rail matched with the dovetail sliding groove; the pushing part comprises a pushing block, an elastic piece and a pushing block sliding groove matched with the pushing block, the opening of the pushing block sliding groove points to the sliding rail, and the elastic piece is used for applying elastic force for pushing the pushing block to tightly push the sliding rail along the pushing block sliding groove.

Among this technical scheme, through addding the top portion of pushing away, make the kicking block of the portion of pushing away under the effect of elastic component direct or indirect tight slide rail in top, realize the both sides inclined plane of forked tail slide rail and forked tail spout or the tight cooperation in bottom surface each other top, the clearance of two parts has been eliminated, can smooth-going slip obtain stable shooting effect, forked tail slide rail and forked tail spout in this technical scheme do not need higher machining precision promptly, can utilize the elasticity compensation forked tail slide rail of elastic component and the machining precision of forked tail spout, in order to obtain the close cooperation of subsides of forked tail slide rail and forked tail spout, thereby realize that smooth-going slip obtains stable shooting effect.

The further technical scheme is that the pushing part is positioned at the lower part of the dovetail sliding groove, and the opening of the ejecting block sliding groove points to the bottom surface of the sliding rail. In this technical scheme, the kicking block can be direct or indirect under the elastic force effect of elastic component tightly slide rail in the top that makes the forked tail slide rail and the tight cooperation in forked tail spout both sides inclined plane top to realize that smooth-going slip obtains stable shooting effect.

A further technical scheme is that the ejector block and the ejector block sliding grooves are located on two sides of the dovetail sliding grooves, and openings of the ejector block sliding grooves respectively point to the side faces of the dovetail sliding rails close to one side. In the technical scheme, the ejector block can directly or indirectly tightly push the inclined planes on two sides of the dovetail slide rail under the elastic action of the elastic piece, the ejector block can tightly push the slide rail downwards due to the vertical downward component force of the elastic force, and the bottom surface of the slide rail is tightly matched with the bottom surface of the dovetail slide groove in a clinging manner, so that the smooth sliding is realized to obtain the stable shooting effect.

The further technical proposal is that a smooth mechanism is arranged between the slide block and the slide rail. In this technical scheme, the mechanism that is in the same direction as smooth that adds can realize slider and slide rail more in the slip in-process.

The technical scheme is that the sliding mechanism is a first bearing arranged along the sliding direction of the slide rail, a first bearing groove for accommodating the first bearing is formed in the side wall of the dovetail sliding groove, and an inner ring of the first bearing is fixedly arranged in the first bearing groove, and at least part of an outer ring of the first bearing protrudes out of the side wall of the dovetail sliding groove and is matched with the dovetail slide rail.

In the technical scheme, the sliding between the sliding block and the sliding rail is realized in a bearing mode, the top block directly props against the bottom surface of the sliding rail tightly under the action of elastic force of the elastic part, and the two sides of the dovetail sliding rail are matched with the outer rings of the first bearings on the inner walls of the two sides of the dovetail sliding groove, so that the gap between the two parts is eliminated, and the smooth sliding of the guide rail device is realized.

The technical scheme is that the sliding mechanism is a second bearing arranged along the sliding direction of the sliding rail, the ejector block is provided with a second bearing groove for accommodating the second bearing, and an inner ring of the second bearing is fixedly arranged in the second bearing groove and at least part of an outer ring protrudes out of the ejector block sliding groove and is matched with the bottom surface of the sliding rail.

In this technical scheme, the kicking block indirectly pushes up the bottom surface of tight slide rail under the effect of elastic component elasticity, and the kicking block drives the tight slide rail bottom surface of second bearing top under the effect of elastic component promptly, the outer loop and the cooperation of slide rail bottom surface of second bearing, and the both sides of forked tail slide rail are hugged closely with the both sides inclined plane of forked tail spout, have both eliminated the clearance of two parts and have realized the smooth-going slip of guide rail device again.

The technical scheme is that the smooth mechanism is a ball, the side wall of the dovetail sliding groove is provided with a ball groove, and at least part of the ball protrudes out of the side wall of the dovetail sliding groove and is matched with the dovetail sliding rail.

In the technical scheme, the form of the balls is adopted to realize the smooth running of the sliding block and the sliding rail, the top block directly props against the bottom surface of the sliding rail tightly under the action of the elastic force of the elastic part, so that the two sides of the dovetail sliding rail are matched with the balls protruding from the inner walls of the two sides of the dovetail sliding groove, and the gap between the two parts is eliminated and the smooth running of the guide rail device is realized.

The further technical scheme is that the top block is provided with an elastic piece accommodating hole with a downward opening. The elastic piece accommodating hole can improve the stability of the elastic piece of the guide rail device in the sliding process.

The further technical scheme is that the elastic piece is one of a spring or a rubber block.

The utility model has the advantages that:

the utility model provides a pair of elastic compensation guide rail device, through set up the top portion of pushing away in dovetail groove's below, make the kicking block direct or indirect tight slide rail that upwards pushes up under the effect of elastic component, realize that dovetail slide rail and dovetail groove's both sides inclined plane pushes up tight cooperation each other, the clearance of two parts has been eliminated, can smooth-going slip obtain stable shooting effect, dovetail slide rail and dovetail groove among this technical scheme do not need higher machining precision promptly, can utilize the elasticity compensation dovetail slide rail of elastic component and dovetail groove's machining precision, thereby realize that smooth-going slip obtains stable shooting effect.

Drawings

FIG. 1 is a diagram: an elasticity compensation guide rail device's schematic structure diagram.

FIG. 2 is a diagram of: take elastic compensation guide rail device schematic diagram of first bearing.

FIG. 3 is a diagram of: fig. 2 is a schematic view of a first bearing mounted and engaged with a slide rail.

FIG. 4 is a diagram of: take the elastic compensation guide rail device schematic diagram of second bearing.

FIG. 5 is a diagram: take elastic compensation guide rail device schematic diagram of duplex bearing.

FIG. 6 is a diagram of: take elasticity compensation guide rail device schematic diagram of ball.

In the figure:

1. a slider; 2. a slide rail; 10. a dovetail chute; 100. a first bearing groove; 101. a cover plate; 110. a top block chute; 200. a second bearing groove; 300. a ball groove; 11. a top block; 21. a dovetail slide rail; 31. a first bearing; 311. fixing the rod; 32. a second bearing; 33. a ball bearing; 4. a spring.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6 and the following embodiments, wherein the connection relationships such as "connection", "pushing", "tightening" and the like in the following embodiments include direct actions between components, indirect actions through intermediate members and the like, and features in the following embodiments and examples can be combined with each other without conflict.

The guide rail device in the prior art mainly adopts a sliding block and a sliding rail with high processing precision and high matching precision, and adopts relatively smooth surface materials, thereby realizing the stability of the guide rail device in the sliding process. The utility model discloses an elastic compensation guide rail device can satisfy slider and slide rail that machining precision and cooperation precision are not high, compensates above-mentioned precision through the elasticity of elastic component.

The present embodiment provides an elastic compensation guide rail device, as shown in fig. 1, including a slider 1 and a slide rail 2; the slide block 1 comprises a dovetail sliding groove 10 and a pushing part, and the slide rail 2 is provided with a dovetail slide rail 21 matched with the dovetail sliding groove 10; the pushing part comprises a pushing block 11, an elastic part and a pushing block sliding groove 110 matched with the pushing block 11, the opening of the pushing block sliding groove 110 points to the sliding rail 2, and the elastic part is used for applying elastic force for pushing the pushing block 11 to tightly push the sliding rail 2 along the pushing block sliding groove 110; specifically, the top block sliding groove 110 in this embodiment is located at the lower part of the dovetail sliding groove 10, an opening of the top block sliding groove 110 points to the bottom surface of the sliding rail 2, the elastic member employs a spring 4, the top block 11 is provided with an elastic member installation groove with a downward opening, one end of the spring 4 abuts against the upper wall of the elastic member installation groove, the other end abuts against the bottom of the sliding groove 110, in other embodiments or practical applications, the elastic member installation groove can also be arranged on the bottom surface of the sliding block 11, the opening of the elastic member installation groove faces upward, in addition, the elastic member can also be replaced by a rubber block or the like, the number and arrangement mode of the elastic members can be determined according to factors such as the elastic coefficient of the elastic member and the size of the sliding block, and the like, and are not limited herein; the number and size of the top blocks 11 and the top block chutes 110 may also be determined according to a specific processing mold.

In this embodiment, the rail device causes the ejector block 11 to push the bottom surface of the slide rail 2 by the elastic force of the elastic member and tends to move upward, so that two side surfaces of the dovetail slide rail 21 are tightly attached to two side surfaces of the dovetail slide groove 10, and the gap between the dovetail slide rail 21 and the dovetail slide groove 10 is eliminated, thereby compensating the processing precision, and improving the stability of the rail device (i.e., maintaining a relatively stable motion state during the sliding process of the slide rail 2, and maintaining a relatively stable stationary state of the slide rail 2 and the slider 1 during the stop).

The above embodiment exemplarily shows specific positions of the top block 11 and the top block sliding groove 110, and according to other embodiments or practical applications, the positions may also be replaced by other positions, for example, the top block 11 and the top block sliding groove 110 are both located at two sides of the dovetail sliding groove 10, an opening of the top block sliding groove 110 respectively points to a side surface of the dovetail sliding rail 21 adjacent to one side, the top block 11 tightly pushes up inclined surfaces at two sides of the dovetail sliding rail 21 under the elastic force of the elastic member, and the vertical downward component force of the elastic force can make the top block 11 tightly push the sliding rail 2 downward, so that the bottom surface of the sliding rail 2 and the bottom surface of the dovetail sliding groove 10 are in tight fit, thereby achieving the effects in the above embodiments.

In another embodiment, on the basis of the above embodiments, the guide rail device further includes a sliding mechanism, specifically, as shown in fig. 2 and fig. 3, the sliding mechanism is a first bearing 31 arranged along the sliding direction of the sliding rail 2 (i.e. the outer ring of the first bearing 31 is tangent to the side wall of the sliding rail 2), the side wall of the dovetail chute 11 is provided with a first bearing groove 100 for accommodating the first bearing 31, the first bearing 31 is specifically mounted in the first bearing groove 100 by a first bearing fixing member, the first bearing fixing member is provided with a cover plate 101 and a fixing rod 311, the fixing rod 311 is tightly fitted with the inner ring of the first bearing 31 to fix the first bearing 31, the cover plate 101 is fixedly connected with the sliding block 11 by screws, the outer ring of the first bearing 31 at least partially protrudes out of the side wall of the dovetail chute 10 and is fitted with the sliding rail 21 (under the elastic force of the elastic member, two side surfaces of the sliding rail 21 tightly abut against the first bearing 31 protruding out of two side surfaces of the dovetail chute 10, the sliding of the sliding rail 2 drives the outer ring of the first bearing 31 to rotate, so that the smooth effect is realized), the gap between the sliding block 1 and the sliding rail 2 is eliminated, and the smooth sliding of the guide rail device is realized; the mounting position and the number of the first bearings 31 may be determined by the size of the slider 1 and the size of the first bearings 31, and are not limited herein.

The above embodiments exemplarily show specific components, installation positions, and the like of the smoothing mechanism, and in other embodiments or practical applications, other components and installation manners may be substituted, for example, as shown in fig. 4, the sliding mechanism may also be a second bearing 32, a second bearing installation groove 200 is provided at the top of the top block 11, a fixing rod for fixing an inner ring of the second bearing 32 is provided inside the second bearing installation groove 200, the fixed rod is fixedly connected with the top block 11, at least part of the outer ring of the second bearing 32 protrudes out of the top block chute 100 and is matched with the bottom surface of the slide rail 2 (the outer ring of the second bearing 32 is tangent with the bottom surface of the guide rail 2), under the action of the elastic force of the elastic part, the ejector block 11 drives the second bearing 32 to push the bottom surface of the slide rail 2, and two side surfaces of the dovetail slide rail 21 tightly push two side surfaces of the dovetail slide groove 10, so that the gap between the slide block 1 and the slide rail 2 is eliminated, and the smooth sliding of the guide rail device is realized; or as shown in fig. 5, the guide rail device includes the first bearing 31 and the second bearing 32 in the above embodiment, under the action of the elastic force of the elastic element, the ejector block 11 drives the second bearing 32 to push against the bottom surface of the slide rail 2, and two side surfaces of the dovetail slide rail 21 tightly push against the first bearings 31 protruding from two side surfaces of the dovetail slide groove 10, and similarly, the effects of eliminating the gap and smoothing can be achieved; or as shown in fig. 6, the smooth mechanism may also be a ball 33, the side wall of the dovetail sliding groove 10 is provided with a ball groove 300, at least part of the ball 33 protrudes out of the side wall of the dovetail sliding groove 10 and is matched with the dovetail sliding rail 21, the smooth of the sliding block 1 and the sliding rail 2 is realized by adopting the form of the ball 33, the top block 11 directly props against the bottom surface of the sliding rail 2 under the elastic force of the elastic element, so that the two sides of the dovetail sliding rail 21 prop against the ball 33 protruding out of the inner walls of the two sides of the dovetail sliding groove 10, thereby eliminating the gap between the two parts and realizing the smooth sliding of the guide rail device; in the embodiment in which the ball 33 is used as the smoothing mechanism, the same mounting position of the first bearing 31 and the second bearing 32 in the above embodiment may be used.

The utility model has the advantages that:

the utility model provides a pair of elastic compensation guide rail device, through add the top portion of pushing away in the below at dovetail groove 10, make kicking block 11 under the effect of elastic component direct or indirect tight slide rail 2 that pushes up, realize dovetail slide rail 21 and dovetail groove 10's both sides inclined plane and push up tight cooperation each other, the clearance of two parts has been eliminated, can smooth-going slip obtain stable shooting effect, dovetail slide rail 21 in this technical scheme does not need higher machining precision with dovetail groove 10 promptly, can utilize the elasticity compensation dovetail slide rail 21 of elastic component and dovetail groove 10's machining precision, thereby realize that smooth-going slip obtains stable shooting effect.

Claims

1. An elastic compensation guide rail device is characterized by comprising a sliding block (1) and a sliding rail (2); the sliding block (1) comprises a dovetail sliding groove (10) and a pushing part, and the sliding rail (2) is provided with a dovetail sliding rail (21) matched with the dovetail sliding groove (10);

the pushing part comprises a pushing block (11), an elastic piece and a pushing block sliding groove (110) matched with the pushing block (11), the opening of the pushing block sliding groove (110) points to the sliding rail (2), and the elastic piece is used for applying elastic force of the pushing block (11) for tightly pushing the sliding rail (2) along the pushing block sliding groove (110).

2. An elastically compensating guide rail arrangement according to claim 1, wherein the ejector is located below the dovetail slide (10), the opening of the ejector block slide (110) pointing towards the bottom surface of the slide rail (2).

3. An elastically compensating guide rail device according to claim 1, wherein the top block (11) and the top block runner (110) are located on both sides of the dovetail runner (10), and the openings of the top block runner (110) are respectively directed to the side faces of the dovetail slide rail (21) adjacent to one side.

4. An elastic compensating guide rail device according to claim 1, characterized in that a smooth mechanism is further arranged between the slide block (1) and the slide rail (2).

5. An elastic compensation guide rail device according to claim 4, characterized in that the gliding mechanism is a first bearing (31) arranged along the sliding direction of the slide rail (2), the side wall of the dovetail sliding groove (10) is provided with a first bearing groove (100) for accommodating the first bearing (31), the inner ring of the first bearing (31) is fixedly arranged in the first bearing groove (100), and the outer ring at least partially protrudes out of the side wall of the dovetail sliding groove (10) and is matched with the dovetail slide rail (21).

6. An elastic compensation guide rail device according to claim 4, characterized in that the gliding mechanism is a second bearing (32) arranged along the sliding direction of the sliding rail (2), the top block (11) is provided with a second bearing groove (200) for accommodating the second bearing (32), the inner ring of the second bearing (32) is fixedly arranged in the second bearing groove (200), and the outer ring at least partially protrudes out of the top block sliding groove (110) and is matched with the bottom surface of the sliding rail (2).

7. A resilient compensating track arrangement according to claim 4, wherein the gliding means are balls (33), the side walls of the dovetail slot (10) being provided with ball grooves (300), the balls (33) at least partly protruding the side walls of the dovetail slot (10) and engaging the dovetail slide (21).

8. An elastic compensating rail device according to claim 1, characterized in that the top piece (11) is provided with an elastic element receiving opening which opens downwards.

9. An elastically compensating track arrangement according to claim 1, wherein the elastic member is one of a spring (4) or a rubber block.