Cross wrench with replaceable sleeve

By designing a sleeve replaceable structure in a cross wrench, fast replacement is achieved using latches and lock nuts, and combining anti-slip cloth and Velcro to improve operational convenience, the problem of difficult replacement of existing cross wrench sleeves is solved, and maintenance efficiency and adaptability are improved.

CN222857829UActive Publication Date: 2025-05-13YANTAI HANDA HARDWARE TOOLS CO LTD
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Patent Information

Application Number
CN202421796263.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-13
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

During use, the sleeves are difficult to replace during the existing cross wrench, resulting in inefficient maintenance and unable to adapt to the needs of multiple bolts.

Method used

A sleeve-changeable cross wrench is designed. By fixing the insertion block and the positioning block on the rod body and setting slots and positioning slots at the bottom of the sleeve, the fast replacement of the sleeve is achieved by using the pins and locking nuts. At the same time, anti-slip cloth and Velcro are used to improve the anti-slip and convenient operation of the hand.

Benefits of technology

It improves the sleeve replacement ability, enhances the anti-slip contact and locking adjustment capabilities of the cross wrench, and improves maintenance efficiency and adaptability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222857829U_ABST
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Abstract

The utility model relates to the technical field of cross wrenches, and discloses a sleeve-replaceable cross wrench which comprises a rod body, a sleeve and an auxiliary rod, insertion blocks are fixed at the upper position and the lower position of the rod body, and locking nuts are connected to the outer portions of the two sides of a plug pin. The inserting block is fixed to the upper position and the lower position of the rod body, then the inserting groove is formed in the bottom of the sleeve, and therefore the inserting block is embedded in the inserting groove in the using process, the positioning block reaches the interior of the positioning groove, and meanwhile the first adsorption block and the second adsorption block are matched to form adsorption positioning. The bolt is inserted in the position of the reserved hole, the rod body and the sleeve are connected and installed through the bolt, then the two sides of the outer portion of the bolt are locked through the locking nuts, and when the sleeve needs to be replaced, the locking nuts can be detached, the bolt is taken out, the rod body and the sleeve are separated, then the appropriate sleeve is selected, and reassembly is conducted. Therefore, the overall replacement capability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cross spanners, in particular to a cross spanner with a replaceable sleeve. Background Art

[0002] A cross wrench is a hand tool that uses the principle of leverage to turn bolts, screws, nuts and other threaded fasteners with openings or holes. It has a cross-shaped head and is designed to apply torque to the fasteners that need to be turned. The cross wrench is a relatively common hand tool and is used in a variety of industries or fields.

[0003] When using a cross wrench, the key step is to use the socket to contact the bolt to complete the removal of the bolt, etc., and in actual work, multiple types of sockets are often needed to facilitate adaptation to various bolts. Therefore, if the socket is difficult to replace, it will easily cause inconvenience to actual maintenance and directly affect maintenance efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a cross wrench with a replaceable socket, so as to solve the problem proposed in the above background technology that multiple types of sockets are often needed in actual work to facilitate adaptation to various bolts. Therefore, if the socket is difficult to replace, it is easy to cause inconvenience to actual maintenance and directly affect the maintenance efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cross wrench with a replaceable socket, comprising a rod body, a sleeve, and an auxiliary rod, wherein plug blocks are fixed at the upper and lower positions of the rod body, a reserved hole is provided inside the plug block, a positioning block is fixed to the top of the plug block, a second adsorption block is fixed to the top of the positioning block, a slot is provided at the bottom of the sleeve, a positioning slot is connected to the top of the slot, a first adsorption block is fixed to the top of the inner wall of the positioning slot, a pin is passed through the inside of the reserved hole, and locking nuts are connected to the outside of both sides of the pin.

[0006] Preferably, external threads are fixed to the outside of both sides of the latch pin, and a threaded connection is formed between the latch pin and the locking nut.

[0007] Preferably, the positioning blocks are symmetrically distributed about the central axis of the insert block, and the positioning grooves are symmetrically distributed about the central axis of the sleeve.

[0008] Preferably, an adsorption connection is formed between the first adsorption block and the second adsorption block, and the sleeves are symmetrically distributed in two groups about the central axis of the rod body.

[0009] Preferably, a socket is provided at a middle position in the rod body, a front end surface of the socket is connected to an adjusting thread groove, an adjusting bolt is connected inside the adjusting thread groove, and a pressure block is fixed to the back end of the adjusting bolt.

[0010] Preferably, a threaded connection is formed between the adjusting thread groove and the adjusting bolt, and the pressing block is made of rubber material.

[0011] Preferably, the outside of the left side of the auxiliary rod is connected to an anti-slip cloth, the inside of the anti-slip cloth is filled with filling cotton, one end of the anti-slip cloth is fixed with a first Velcro, the other end of the anti-slip cloth is fixed with a second Velcro, and the outside of the anti-slip cloth is fixed with anti-slip bumps.

[0012] Preferably, the first Velcro tape is bonded to the second Velcro tape, and the anti-slip bumps are evenly distributed on the outside of the anti-slip cloth.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the cross wrench with replaceable sleeve not only improves the sleeve replacement capability, but also improves the anti-slip contact capability and locking adjustment capability of the cross wrench;

[0014] (1) By fixing the plug block at the upper and lower positions of the rod body, and then opening a slot in the bottom of the sleeve, the plug block is embedded in the slot when in use, and the positioning block reaches the inside of the positioning slot. At the same time, the first adsorption block and the second adsorption block cooperate with each other to form an adsorption positioning. After the sleeve is stably assembled, the pin is inserted into the position of the reserved hole, and the connection and installation between the rod body and the sleeve are completed by the pin. Then, locking nuts are used to lock the outer sides of the pin. When the sleeve needs to be replaced, the locking nuts can be removed, the pin can be taken out, the rod body and the sleeve can be separated, and a suitable sleeve can be selected and reassembled. In this way, the overall replacement capability is better improved during the work process;

[0015] (2) By filling the filling cotton inside the anti-slip cloth, the anti-slip cloth is placed on the outside of one side of the auxiliary rod during operation, and then the first Velcro and the second Velcro are used to complete the bonding connection. At the same time, with the anti-slip protrusions evenly distributed, the anti-slip ability of the hands of the staff is improved during use, and the overall convenience of operation is improved;

[0016] (3) During assembly, the auxiliary rod is passed through the insertion hole, and then the leakage length of the auxiliary rod is adjusted according to the operation requirements. After reaching a length that is more convenient for operation, the adjusting bolt is turned to allow the adjusting bolt and the adjusting thread groove to cooperate with each other to form a thread adjustment. At this time, the pressure block can contact and press the outer wall of the auxiliary rod, thereby better improving the overall locking adjustment ability during the work process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2It is a schematic diagram of a partial front view cross-sectional structure of the sleeve of the utility model;

[0019] Figure 3 This is a schematic diagram of the side structure of the anti-slip cloth of the utility model;

[0020] Figure 4 It is a schematic diagram of a partial side view of the rod body of the utility model.

[0021] In the figure: 1. Rod body; 2. Sleeve; 3. Auxiliary rod; 4. Anti-skid cloth; 5. Insert block; 6. Reserved hole; 7. Pin; 8. Locking nut; 9. Positioning groove; 10. Positioning block; 11. First adsorption block; 12. Second adsorption block; 13. Filling cotton; 14. First Velcro; 15. Second Velcro; 16. Anti-skid protrusion; 17. Socket; 18. Adjustment thread groove; 19. Adjustment bolt; 20. Pressing block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a cross wrench with a replaceable sleeve, comprising a rod body 1, a sleeve 2, and an auxiliary rod 3. Insert blocks 5 are fixed at the upper and lower positions of the rod body 1, and a reserved hole 6 is opened inside the insert block 5. A positioning block 10 is fixed to the top of the insert block 5, and a second adsorption block 12 is fixed to the top of the positioning block 10. A slot is opened at the bottom of the sleeve 2, and a positioning slot 9 is connected to the top of the slot. A first adsorption block 11 is fixed to the top of the inner wall of the positioning slot 9, and a latch 7 passes through the inside of the reserved hole 6, and locking nuts 8 are connected to the outside of both sides of the latch 7.

[0024] External threads are fixed on the outside of both sides of the latch pin 7, and a threaded connection is formed between the latch pin 7 and the locking nut 8.

[0025] The positioning blocks 10 are symmetrically distributed with respect to the central axis of the insert block 5 , and the positioning grooves 9 are symmetrically distributed with respect to the central axis of the sleeve 2 .

[0026] An adsorption connection is formed between the first adsorption block 11 and the second adsorption block 12 , and two groups of sleeves 2 are symmetrically distributed about the central axis of the rod body 1 .

[0027] A plug hole 17 is provided at the middle position of the rod body 1 , the front end surface of the plug hole 17 is connected to an adjusting thread groove 18 , an adjusting bolt 19 is connected inside the adjusting thread groove 18 , and a pressure block 20 is fixed to the back end of the adjusting bolt 19 .

[0028] A threaded connection is formed between the adjusting thread groove 18 and the adjusting bolt 19 , and the pressing block 20 is made of rubber material.

[0029] The outside of the left side of the auxiliary rod 3 is connected to an anti-slip cloth 4, the inside of the anti-slip cloth 4 is filled with filling cotton 13, one end of the anti-slip cloth 4 is fixed with a first Velcro 14, the other end of the anti-slip cloth 4 is fixed with a second Velcro 15, and the outside of the anti-slip cloth 4 is fixed with an anti-slip bump 16.

[0030] The first Velcro 14 and the second Velcro 15 are bonded and connected, and the anti-skid protrusions 16 are evenly distributed on the outside of the anti-skid cloth 4;

[0031] Furthermore, based on the auxiliary rod 3 passing through the insertion hole 17, the assembly between the rod body 1 and the auxiliary rod 3 is completed, so that the length of the force arm when the user operates the auxiliary rod 3 can be adjusted as needed.

[0032] Working principle: First, when working, pass the auxiliary rod 3 through the socket 17, and then adjust the leakage length of the auxiliary rod 3 according to the operation requirements. After reaching a length that is more convenient for operation, turn the adjusting bolt 19 to make the adjusting bolt 19 cooperate with the adjusting thread groove 18 to form a thread adjustment. At this time, the pressure block 20 can contact and press the outer wall of the auxiliary rod 3, and then select a suitable sleeve 2 according to maintenance requirements, and then embed the plug 5 in the slot. At the same time, the positioning block 10 reaches the inside of the positioning groove 9, and at the same time, the first adsorption block 11 and the second adsorption block 12 cooperate with each other to form an adsorption positioning. After the sleeve 2 is stably assembled, insert the pin 7 at the position of the reserved hole 6, and use the pin 7 to complete the connection and installation between the rod body 1 and the sleeve 2, and then use the locking nuts 8 to lock on both sides of the outside of the pin 7, and then use the sleeve 2 to contact the bolts that need to be removed, so that the rod body 1, sleeve 2, and auxiliary rod 3 cooperate to complete the disassembly of the bolts.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A cross wrench with a replaceable sleeve, comprising a rod body (1), a sleeve (2), and an auxiliary rod (3), characterized in that: Insert blocks (5) are fixed at the upper and lower positions of the rod body (1), a reserved hole (6) is provided inside the insert block (5), a positioning block (10) is fixed at the top of the insert block (5), a second adsorption block (12) is fixed at the top of the positioning block (10), a slot is provided at the bottom of the sleeve (2), a positioning slot (9) is connected to the top of the slot, a first adsorption block (11) is fixed to the top of the inner wall of the positioning slot (9), a latch (7) passes through the inside of the reserved hole (6), and locking nuts (8) are connected to the outside of both sides of the latch (7).

2. A cross wrench with replaceable socket according to claim 1, characterized in that: External threads are fixed to the outside of both sides of the latch pin (7), and a threaded connection is formed between the latch pin (7) and the locking nut (8).

3. A cross wrench with replaceable socket according to claim 1, characterized in that: The positioning blocks (10) are symmetrically distributed about the central axis of the insert block (5), and the positioning grooves (9) are symmetrically distributed about the central axis of the sleeve (2).

4. A cross wrench with replaceable socket according to claim 1, characterized in that: An adsorption connection is formed between the first adsorption block (11) and the second adsorption block (12), and the sleeves (2) are symmetrically distributed in two groups about the central axis of the rod body (1).

5. The cross wrench with replaceable socket according to claim 1, characterized in that: A plug hole (17) is provided at a middle position in the rod body (1); a front end surface of the plug hole (17) is connected to an adjusting thread groove (18); an adjusting bolt (19) is connected inside the adjusting thread groove (18); a pressure block (20) is fixed to the back end of the adjusting bolt (19).

6. A cross wrench with replaceable socket according to claim 5, characterized in that: A threaded connection is formed between the adjusting thread groove (18) and the adjusting bolt (19), and the pressing block (20) is made of rubber material.

7. The cross wrench with replaceable socket according to claim 1, characterized in that: The outside of the left side of the auxiliary rod (3) is connected to an anti-skid cloth (4), the inside of the anti-skid cloth (4) is filled with filling cotton (13), one end of the anti-skid cloth (4) is fixed with a first Velcro (14), the other end of the anti-skid cloth (4) is fixed with a second Velcro (15), and the outside of the anti-skid cloth (4) is fixed with an anti-skid protrusion (16).

8. The cross wrench with replaceable socket according to claim 7, characterized in that: An adhesive connection is formed between the first Velcro (14) and the second Velcro (15), and the anti-slip bumps (16) are evenly distributed outside the anti-slip cloth (4).