Guide traction rod

Abstract

The utility model relates to a guiding traction rod which comprises a fixing frame, and a telescopic frame sliding front and back is arranged in a hollow cavity of the fixing frame. A guide rail and a guide block are arranged between the telescopic frame and the fixed frame, and the guide block slides back and forth in the guide rail. According to the guide traction rod, the telescopic frame slides back and forth in the hollow cavity of the fixed frame, in order to avoid lateral deviation of the telescopic frame and keep the relative positions of the telescopic frame and the fixed frame in the transverse direction, the guide rail and the guide block are arranged between the telescopic frame and the fixed frame, and the telescopic frame slides back and forth in the fixed frame in the fixed direction through the guide rail and the guide block; lateral deviation of the telescopic frame can be avoided, and damage to the fixing frame by lateral force of the telescopic frame is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of traction rods, in particular to a traction rod used for connecting a front vehicle body and a rear vehicle body. Background Art

[0002] The traction rod used for vehicle traction plays an important role in the process of vehicle traction, facilitating the installation and carrying of the front vehicle body to the rear vehicle body, that is, facilitating the connection and fixation of the rear vehicle body. A conventional traction rod includes a fixed frame and a telescopic frame, the telescopic frame is inserted into the hollow cavity of the fixed frame and moves back and forth in the fixed frame, and a locking device is provided between the fixed frame and the telescopic frame, such as a locking hole is provided on the telescopic frame, a pin hole is provided on the fixed frame, and the pin shaft is inserted into the locking hole on the telescopic frame through the pin hole on the fixed frame, thereby realizing the fixing and locking of the telescopic frame.

[0003] However, since the telescopic frame slides back and forth in the cavity of the fixed frame, there is a lateral force between the telescopic frame and the fixed frame. For example, if the force of the telescopic frame to the left or right acts on the fixed frame, the existence of the lateral force may damage the fixed frame and cause the telescopic frame to deviate to one side, that is, the telescopic frame deviates to one side, which may seriously cause deformation of the fixed frame. Utility Model Content

[0004] The main purpose of the utility model is to provide a guide traction rod to solve the problem of lateral deviation of the telescopic frame in the prior art.

[0005] The utility model provides a guide traction rod, which comprises a fixed frame, a telescopic frame that slides forward and backward is arranged in the hollow cavity of the fixed frame, a guide rail and a guide block are arranged between the telescopic frame and the fixed frame respectively, and the guide block slides forward and backward in the guide rail.

[0006] Preferably, the guide rail comprises a slide groove arranged on the telescopic frame, and blocking blocks are arranged at both ends of the slide groove; the guide block comprises a protruding block arranged on the fixed frame and extending into the slide groove.

[0007] More preferably, the protruding block is cylindrical, and the cross-section of the blocking block on one side facing the middle of the sliding groove is semicircular.

[0008] More preferably, a connecting portion is further provided at the lower portion of the guide block, and the connecting portion is detachably mounted on the fixing frame.

[0009] More preferably, the connecting portion includes a socket arranged on the fixing frame; the upper part of the protruding block is inserted into the socket and extends to the slide groove of the guide rail; the connecting portion also includes a connecting plate, which is arranged outside the fixing frame, and a groove is arranged on the connecting plate, and the lower part of the protruding block is stuck in the groove.

[0010] More preferably, the connecting plate includes a bonding plate and a fixing plate, the bonding plate is bonded to the fixing frame, and the bonding plate is provided with through holes; the fixing plate and the bonding plate are both provided with a plurality of corresponding screw holes, and the connecting part also includes bolts, which pass through the screw holes on the fixing plate and the screw holes of the bonding plate in sequence.

[0011] More preferably, a diameter expansion section is provided at the lower portion of the protruding block, the cross section of the diameter expansion section is polygonal, and the diameter expansion section is inserted into the groove.

[0012] Compared with the prior art, the guide traction rod provided by the utility model has the following beneficial effects:

[0013] In the above-mentioned guide traction rod, the telescopic frame slides back and forth in the hollow cavity of the fixed frame. In order to avoid the lateral deviation of the telescopic frame and maintain the relative positions of the telescopic frame and the fixed frame in the lateral direction, a guide rail and a guide block are respectively arranged between the telescopic frame and the fixed frame. The telescopic frame slides back and forth in the fixed frame along a fixed direction through the guide rail and the guide block, which can avoid the lateral deviation of the telescopic frame and prevent the lateral force of the telescopic frame from damaging the fixed frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Obviously, the drawings described below are only some specific embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without any creative work.

[0016] Figure 1 It is a partial three-dimensional structure exploded diagram of the fixing frame in Example 1 of the utility model.

[0017] Figure 2 It is a partial three-dimensional structure exploded diagram of the telescopic frame in Example 1 of the utility model.

[0018] Figure 3 It is a partial cross-sectional schematic diagram of the guide traction rod in Example 1 of the utility model.

[0019] Description of Figure Numbers:

[0020]

[0021] DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0024] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] Example 1

[0029] The present embodiment provides a guide traction rod, which includes a fixed frame 1, and a telescopic frame 2 that slides forward and backward is arranged in the hollow cavity of the fixed frame 1. A guide rail and a guide block are respectively arranged between the telescopic frame 2 and the fixed frame 1, and the guide block slides forward and backward in the guide rail.

[0030] In the above-mentioned guide traction rod, the telescopic frame 2 slides back and forth in the hollow cavity of the fixed frame 1, one of the telescopic frame 2 and the fixed frame 1 is provided with a guide rail, and the other is provided with a guide block. When the telescopic frame 2 slides back and forth in the hollow cavity of the fixed frame 1, the telescopic frame 2 is guided by the guide rail and the guide block to prevent the telescopic frame 2 from deviating laterally; when there is a deviation in the size of the hollow cavity of the fixed frame 1 and the telescopic frame 2, it is still possible to ensure that the telescopic frame 2 slides along the guide rail, maintain the relative position of the telescopic frame 2 and the fixed frame 1 in the lateral direction, prevent the telescopic frame 2 from deviating laterally, and also prevent the lateral force of the telescopic frame 2 from damaging the fixed frame 1.

[0031] Specifically, in this embodiment, the guide rail includes a slide groove 3 provided on the telescopic frame 2, and blocking blocks 4 are provided at both ends of the slide groove 3; the guide block includes a protruding block 5 provided on the fixed frame 1 and extending into the slide groove 3. The guide block is a blocking block 4 fixed on the fixed frame 1 and extending to the slide groove 3, and the guide rail and the guide block are provided by the slide groove 3 provided on the telescopic frame 2 and the protruding block 5 provided on the fixed frame 1; at the same time, in order to limit the sliding range of the telescopic frame 2, the blocking blocks 4 are provided on both sides of the slide groove 3, so as to prevent the telescopic frame 2 from being excessively extended or excessively extended into the fixed frame 1.

[0032] More specifically, in this embodiment, in order to make the protruding block 5 and the blocking block 4 fit together, the protruding block 5 is cylindrical, and the cross-section of the blocking block 4 on one side facing the middle of the slide groove 3 is semicircular.

[0033] Specifically, in this embodiment, the guide block includes a protruding block 5 which is arranged on the fixing frame 1 and extends into the slide groove 3; in order to facilitate the installation of the above-mentioned protruding block 5, a connecting portion is also provided at the lower part of the guide block, and the connecting portion is detachably mounted on the fixing frame 1.

[0034] More specifically, this embodiment also provides a specific structure of the connection part, the connection part includes a socket provided on the fixing frame 1; the upper part of the protruding block 5 is inserted into the socket, and the part inserted into the fixing frame 1 extends to the slide groove 3 of the guide rail and cooperates with the slide groove 3 to achieve a guiding effect. The connection part also includes a connecting plate, the connecting plate is provided outside the fixing frame 1, the connecting plate is provided with a groove, and the lower part of the protruding block 5 is inserted into the groove. The connecting plate can be provided on the fixing frame 1 in any existing manner, and the connecting plate is used to install and fix the protruding block 5.

[0035] More specifically, the connecting plate includes a bonding plate 6 and a fixing plate 8, the bonding plate 6 is bonded to the fixing frame 1, and a through hole 7 is provided on the bonding plate 6; the fixing plate 8 and the bonding plate 6 are both provided with a plurality of corresponding screw holes, and the connecting portion further includes bolts, which sequentially pass through the screw holes on the fixing plate 8 and the screw holes of the bonding plate 6. It should be noted that, in this embodiment, the connecting plate is fixed to the fixing frame 1 by bolt connection or clamping of the fixing plate 8, thereby achieving the fixation of the guide block.

[0036] More specifically, in order to improve the connection strength between the guide block and the groove, an expanded diameter section is provided at the lower part of the protruding block 5. The expansion of the expanded diameter section means that its maximum diameter becomes larger, thereby increasing the connection strength. At the same time, in order to prevent the guide block from rotating, the cross-section of the expanded diameter section is polygonal, and the expanded diameter section is inserted into the groove.

[0037] Of course, the above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection scope of the utility model and should be protected by the utility model.

Claims

1. A guide traction rod, comprising a fixed frame, wherein a telescopic frame that slides forward and backward is arranged in a hollow cavity of the fixed frame, characterized in that: A guide rail and a guide block are respectively arranged between the telescopic frame and the fixed frame, and the guide block slides back and forth in the guide rail.

2. The guide traction rod according to claim 1, characterized in that: The guide rail comprises a slide groove arranged on the telescopic frame, and blocking blocks are arranged at both ends of the slide groove; the guide block comprises a protruding block arranged on the fixed frame and extending into the slide groove.

3. The guide traction rod according to claim 2, characterized in that: The protruding block is cylindrical, and the cross section of the blocking block on one side facing the middle of the sliding groove is semicircular.

4. The guide traction rod according to claim 2, characterized in that: A connecting portion is also provided at the lower portion of the guide block, and the connecting portion is detachably mounted on the fixing frame.

5. The guide traction rod according to claim 4, characterized in that: The connecting part includes a socket arranged on the fixing frame; the upper part of the protruding block is inserted into the socket and extends to the slide groove of the guide rail; the connecting part also includes a connecting plate, which is arranged outside the fixing frame and has a groove, and the lower part of the protruding block is stuck in the groove.

6. The guide traction rod according to claim 5, characterized in that: The connecting plate includes a bonding plate and a fixing plate, the bonding plate is bonded to the fixing frame, and the bonding plate is provided with through holes; the fixing plate and the bonding plate are both provided with a plurality of corresponding screw holes, and the connecting part also includes bolts, which pass through the screw holes on the fixing plate and the screw holes on the bonding plate in sequence.

7. The guide traction rod according to claim 5, characterized in that: The lower part of the protruding block is provided with an enlarged diameter section, the cross section of the enlarged diameter section is polygonal, and the enlarged diameter section is inserted into the groove.

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