Reinforced component for taking embedded sleeve

The combination structure of pull rod, rotating sleeve and ratchet locking assembly solves the problems of low efficiency in removing pre-embedded sleeves and damage to buildings, and realizes flexible and efficient sleeve removal and structural protection.

CN223880786UActive Publication Date: 2026-02-06HANGZHOU YINLONG TANGPULAI TECH CO LTD
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Patent Information

Application Number
CN202520392619.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-06
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In the existing technology, the method of removing the pre-embedded sleeve is inefficient and easily damages the sleeve and the surrounding building structure.

Method used

It adopts a combination structure of pull rod, rotating sleeve, connecting rod assembly and ratchet locking assembly. The sleeve can be infinitely adjusted and removed by friction contact between the toothed jaws and the inner wall of the pre-embedded sleeve, avoiding damage to the surrounding buildings.

Benefits of technology

It improves the flexibility and efficiency of removing embedded sleeves, protects the integrity of the building structure, and is easy to operate and inexpensive.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reinforced component for taking a pre-embedded sleeve. Components comprise a pull rod, a rotating sleeve, a connecting rod assembly and a ratchet wheel locking assembly. A ratchet wheel locking assembly is installed on the upper portion of the pull rod, the middle of the pull rod is rotatably and movably sleeved with a rotating sleeve, and the ratchet wheel locking assembly is connected with the upper end of the rotating sleeve and used for conducting locking control over rotation of the rotating sleeve. The pull rod penetrates through the rotating sleeve, the bottom end extends out of the bottom face of the rotating sleeve, the periphery of the lower portion of the rotating sleeve is connected with the bottom end of the pull rod through a connecting rod assembly, and the connecting rod assembly is provided with a friction part used for being supported to the inner wall of the embedded sleeve. The device is simple in component structure, easy to manufacture and maintain, low in cost and capable of adapting to embedded sleeves with different hole diameters, flexibility and efficiency of taking out work are improved, operation is easy, convenient and rapid, and the overall structural stability of a building is protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building construction tool technical field especially relates to a kind of components of taking embedded sleeve are strengthened. BACKGROUND

[0002] In the process of building construction, embedded sleeve is widely used in connecting structural members such as reinforcing steel bars to improve the overall stability and load-bearing capacity of buildings. However, in actual operation, since the embedded sleeve is often deeply embedded in building materials such as concrete, and its aperture size, depth and other parameters are different, it brings great inconvenience to the taking-out work. The traditional taking-out method often needs to use hammer, chisel and other tools to knock or dig, which not only is inefficient, but also easily causes damage to the embedded sleeve and surrounding building structure. SUMMARY

[0003] To solve the problems existing in the prior art, the utility model provides a component for taking embedded sleeve, which can conveniently take out embedded sleeves of different apertures and depths without damaging the surrounding concrete and causing damage to the embedded sleeve and surrounding building structure.

[0004] The utility model adopts the technical scheme that:

[0005] The utility model includes pull rod, rotating sleeve, connecting rod assembly and ratchet locking assembly.

[0006] The upper part of the pull rod is provided with the ratchet locking assembly, the middle part of the pull rod is movably sleeved with the rotating sleeve, the upper end of the ratchet locking assembly and the rotating sleeve is connected, the lower part of the rotating sleeve is connected with the bottom end of the pull rod through the connecting rod assembly, and the connecting rod assembly is provided with a friction part for supporting the inner wall of the embedded sleeve.

[0007] The upper end of the pull rod is provided with a handle part, and the handle part is processed into a ring handle.

[0008] The ratchet locking assembly includes steel wire, unlocking trigger, ratchet teeth, non-return pawl and spring. The inner wall of the upper part of the rotating sleeve is provided with ratchet teeth, the outer periphery of the bottom of the pull rod is uniformly provided with a plurality of horizontal grooves in the circumferential direction, the non-return pawl in each horizontal groove is provided with the spring, the non-return pawl is used for meshing connection with the ratchet teeth to form ratchet connection, the top of the pull rod is provided with an unlocking trigger, and the unlocking trigger is connected with the inner side surface of the non-return pawl in each horizontal groove through the steel wire penetrating the pull rod.

[0009] The ratchet teeth are unidirectional teeth, and the direction of the ratchet teeth is the same as the rotation direction of the rotating sleeve.

[0010] The middle part of the rotating sleeve is a rotating operation part, and the outer circumferential surface of the rotating operation part is an abrasive surface or is provided with anti-skid material.

[0011] The linkage assembly comprises four sets of linkage structures and a walking sleeve, the four sets of linkage structures are spaced apart along the outer circumferential surface of the walking sleeve, each set of linkage structures comprises an upper linkage and a lower linkage, one end of the upper linkage is hingedly connected to the outer side surface of the walking sleeve through a first hinge, the other end of the upper linkage is hingedly connected to one end of the lower linkage through a second hinge, and the other end of the lower linkage is hingedly connected to the bottom end side surface of the pull rod through a third hinge.

[0012] The lower outer circumferential surface of the rotating sleeve is provided with a thread as a threaded structure, and the walking sleeve is sleeved on the threaded structure of the lower part of the rotating sleeve through thread cooperation.

[0013] The lower linkage is provided with a friction part at one end for supporting contact with the inner wall of the embedded sleeve.

[0014] The hinge connection part of each upper linkage and the lower linkage is provided with a tooth surface clamp as the friction part, the tooth surface clamp is arranged on the arc-shaped outer surface of the lower linkage, the tooth surfaces of the tooth surface clamp are all directed outward, and the tooth surfaces are used for contacting the inner wall of the embedded sleeve by enhancing friction.

[0015] The utility model discloses the beneficial effects are:

[0016] 1. Strong adaptability: the utility model discloses the stepless adjustment of tooth surface clamp, can adapt to the embedded sleeve of different aperture, improves the flexibility and efficiency of taking out work.

[0017] 2. Simple operation: the user only needs to operate the unlocking trigger and rotating sleeve of the utility model by one hand, so that the taking out work of the embedded sleeve can be realized, and the operation is simple and quick.

[0018] 3. Good protection: the embedded sleeve and surrounding building structure are not damaged when taking out the embedded sleeve, and the overall structural stability of the building is protected.

[0019] 4. Strong practicality: the utility model has simple structure, easy manufacturing and maintenance, and low cost, and has high practicality and market promotion value. DRAWINGS

[0020] Figure 1 It is the elevation view of the utility model.

[0021] Figure 2 It is the elevation view of the rotating sleeve in the utility model.

[0022] Figure 3It is longitudinal section view of the ratchet locking assembly in the utility model.

[0023] Figure 4 It is transverse section view of the ratchet locking assembly in the utility model.

[0024] Figure 5 It is structure plan view of the tooth surface clamping jaw in the utility model.

[0025] In the drawing: 1, pull rod, 2, rotating sleeve, 3, connecting rod assembly, 4, ratchet locking assembly, 1-1, annular handle, 2-1, rotating operation part, 2-2, screw structure, 3-1, running sleeve, 3-2, upper connecting rod, 3-3, tooth surface clamping jaw, 3-4, lower connecting rod, 3-5, first hinge, 3-6, second hinge, 3-7, third hinge, 4, ratchet locking assembly, 4-1, steel wire, 4-2, unlocking trigger, 4-3, ratchet gear, 4-4, non-return pawl, 4-5, spring. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0027] The utility model includes pull rod 1, rotating sleeve 2, connecting rod assembly 3 and ratchet locking assembly 4,

[0028] The elevation view of the utility model as Figure 1 Shown, the upper portion of pull rod 1 is installed with ratchet locking assembly 4, and the middle part of pull rod 1 rotatably movably sheaths rotating sleeve 2, and the elevation view of rotating sleeve 2 in the utility model as Figure 2 Shown, the upper end of ratchet locking assembly 4 and rotating sleeve 2 is connected, is used for locking control to the rotation of rotating sleeve 2, pull rod 1 passes through rotating sleeve 2 and the bottom end extends the bottom surface of rotating sleeve 2, and the lower part of rotating sleeve 2 is connected with the bottom end of pull rod 1 through connecting rod assembly 3, and connecting rod assembly 3 is provided with the friction part for supporting to the embedded sleeve inner wall.

[0029] The upper end of pull rod 1 is provided with handle part, and the handle part is processed as annular handle 1-1.

[0030] The longitudinal section view of ratchet locking assembly 4 in the utility model as Figure 3 Shown, the transverse section view as Figure 4As shown, the upper part of the rotating sleeve 2 is provided with a ratchet locking assembly 4, which includes a steel wire 4-1, an unlocking trigger 4-2, a ratchet tooth 4-3, a check pawl 4-4 and a spring 4-5; the ratchet tooth 4-3 is arranged on the inner wall of the upper part of the rotating sleeve 2, and a plurality of horizontal grooves are uniformly distributed on the outer circumferential surface of the bottom of the pull rod 1; each horizontal groove is provided with a check pawl 4-4 through a spring 4-5, wherein a plurality of springs 4-5 are arranged between the check pawl 4-4 and the groove bottom, the bottom end of the spring 4-5 is in contact with the groove bottom, and the top end of the spring 4-5 is in contact with the bottom end of the check pawl 4-4; the check pawl 4-4 is used to engage with the ratchet tooth 4-3 to form a ratchet connection and control the one-way rotation of the ratchet tooth 4-3; the unlocking trigger 4-2 is arranged on the top of the pull rod 1 and is fixedly connected with the inside surface of the check pawl 4-4 in each horizontal groove through the steel wire 4-1 axially penetrating the pull rod 1.

[0031] In specific implementation, the unlocking trigger 4-2 is arranged in the ring of the annular handle 1-1, and a plurality of steel wires 4-1 are arranged in the pull rod 1 and extend to the ratchet locking assembly 4 along the direction of the pull rod 1.

[0032] More specifically, the upper end of the steel wire 4-1 is fixedly connected with the pull rod 1 and the unlocking trigger 4-2, and the lower end of the steel wire 4-1 is fixedly connected with the inside surface of the check pawl 4-4 in the horizontal groove of the pull rod 1, so that the unlocking trigger 4-2 is fixedly connected with each check pawl 4-4 through the steel wire 4-1.

[0033] The ratchet tooth 4-3 is a one-way tooth, and the direction of the ratchet tooth 4-3 is the same as the rotation direction of the rotating sleeve 2.

[0034] In specific implementation, when the rotating sleeve 2 rotates counterclockwise, the check pawl 4-4 can slide along the tooth back of the ratchet tooth 4-3; when the rotating sleeve 2 rotates clockwise, the check pawl 4-4 will prevent the ratchet tooth 4-3 from rotating, thereby preventing the rotating sleeve 2 from rotating.

[0035] The middle part of the rotating sleeve 2 is a rotating operation part 2-1, and the outer circumferential surface of the rotating operation part 2-1 is a frosted surface or is provided with anti-slip material to increase the friction with the hand during rotation and facilitate operation.

[0036] The linkage assembly 3 comprises four sets of linkage structures and a walking sleeve 3-1, the four sets of linkage structures are uniformly distributed along the outer circumferential surface of the walking sleeve 3-1, the four sets of linkage structures are the same and are symmetrically centered on the rotation axis of the walking sleeve 3-1, each set of linkage structures comprises an upper linkage 3-2 and a lower linkage 3-4, one end of the upper linkage 3-2 is hinged to the outer side surface of the walking sleeve 3-1 through a first hinge 3-5, the other end of the upper linkage 3-2 is hinged to one end of the lower linkage 3-4 through a second hinge 3-6, and the other end of the lower linkage 3-4 is hinged to the bottom end side surface of the pull rod 1 through a third hinge 3-7.

[0037] A thread is arranged on the lower outer circumferential surface of the rotating sleeve 2 as a threaded structure 2-2, and the walking sleeve 3-1 is sleeved on the threaded structure 2-2 of the lower part of the rotating sleeve 2 through thread cooperation, when the rotating sleeve 2 is rotated, the walking sleeve 3-1 can be rotated along the threaded structure 2-2 on the rotating sleeve 2, so as to realize the up-down movement of the walking sleeve 3-1.

[0038] The lower linkage 3-4 is provided with a friction part at one end for supporting contact with the inner wall of the embedded sleeve.

[0039] The structure plan view of the tooth surface clamping jaw 3-3 in the utility model is shown in Figure 5 Each upper linkage 3-2 and lower linkage 3-4 is provided with a tooth surface clamping jaw 3-3 as a friction part at the hinge position, the tooth surface clamping jaw 3-3 is arranged on the arc-shaped outer surface of the lower linkage 3-4, the tooth surfaces of the tooth surface clamping jaws 3-3 all face outward, the tooth surfaces are used for enhancing friction and contacting the inner wall of the embedded sleeve, the tooth surface clamping jaws 3-3 of the plurality of linkage structures simultaneously apply pressure and frictionally contact the inner wall of the embedded sleeve to support the entire embedded sleeve, so as to drive the embedded sleeve to move up and down, and the embedded sleeve is taken out.

[0040] The above embodiment is described in detail to explain the technical concept and key features of the utility model, the purpose is to help the technical personnel in the field to understand the content of the utility model and can be implemented accordingly, but it is not as the limitation of the protection scope of the utility model. Any equivalent substitution, change or modification based on the core spirit and technical essence of the utility model should be considered to be covered in the protection scope of the utility model, so as to ensure the applicability and innovation of the technical scheme in various cases.

Claims

1. A reinforced embedded sleeve taking component, characterized in that: It comprises a pull rod (1), a rotating sleeve (2), a connecting rod assembly (3) and a ratchet locking assembly (4); The upper part of the pull rod (1) is provided with the ratchet locking assembly (4), the middle part of the pull rod (1) is movably sleeved with the rotating sleeve (2), the upper end of the ratchet locking assembly (4) and the rotating sleeve (2) are connected, the lower part of the rotating sleeve (2) is connected with the bottom end of the pull rod (1) through the connecting rod assembly (3), and the connecting rod assembly (3) is provided with a friction part for supporting the inner wall of the embedded sleeve.

2. The reinforced embedded sleeve taking component according to claim 1, characterized in that: The upper end of the pull rod (1) is provided with a handle part, and the handle part is processed into a ring-shaped handle (1-1).

3. The reinforced embedded sleeve taking component according to claim 1, characterized in that: The ratchet locking assembly (4) comprises a steel wire (4-1), an unlocking trigger (4-2), ratchet teeth (4-3), a non-return pawl (4-4) and a spring (4-5); the ratchet teeth (4-3) are arranged on the inner wall of the upper part of the rotating sleeve (2), a plurality of horizontal grooves are uniformly distributed in the circumferential direction on the outer circumferential surface of the bottom part of the pull rod (1), the non-return pawl (4-4) is arranged in each horizontal groove through the spring (4-5), the non-return pawl (4-4) is used for meshing connection with the ratchet teeth (4-3) to form a ratchet connection, the unlocking trigger (4-2) is arranged on the top of the pull rod (1), and the unlocking trigger (4-2) is connected with the inside surface of the non-return pawl (4-4) in each horizontal groove through the steel wire (4-1) penetrating through the pull rod (1).

4. The reinforced embedded sleeve taking component according to claim 3, characterized in that: The ratchet teeth (4-3) are one-way teeth, and the direction of the ratchet teeth (4-3) is the same as the rotating direction of the rotating sleeve (2).

5. The reinforced embedded sleeve taking component according to claim 1, characterized in that: The middle part of the rotating sleeve (2) is a rotating operation part (2-1), and the outer circumferential surface of the rotating operation part (2-1) is an abrasive surface or is provided with anti-skid material.

6. The reinforced embedded sleeve taking component according to claim 1, characterized in that: The connecting rod assembly (3) comprises four groups of connecting rod structures and a walking sleeve (3-1), the four groups of connecting rod structures are spaced apart along the outer circumferential surface of the walking sleeve (3-1), each group of connecting rod structures comprises an upper connecting rod (3-2) and a lower connecting rod (3-4), one end of the upper connecting rod (3-2) is hingedly connected with the outer side surface of the walking sleeve (3-1) through a first hinge (3-5), the other end of the upper connecting rod (3-2) is hingedly connected with one end of the lower connecting rod (3-4) through a second hinge (3-6), and the other end of the lower connecting rod (3-4) is hingedly connected with the bottom end side surface of the pull rod (1) through a third hinge (3-7).

7. The reinforced pre-bored sleeve component according to claim 6, characterized in that: the lower outer circumferential surface of the rotating sleeve (2) is provided with a thread as a thread structure (2-2), and the traveling sleeve (3-1) is sleeved on the thread structure (2-2) of the lower part of the rotating sleeve (2) through thread cooperation.

8. The reinforced pre-bored sleeve component according to claim 6, characterized in that: one end of the lower connecting rod (3-4) is provided with a friction part for supporting contact with the inner wall of the pre-bored sleeve.

9. The reinforced pre-bored sleeve component according to claim 8, characterized in that: each of the upper connecting rods (3-2) and the hinge part of the lower connecting rod (3-4) is provided with a tooth surface clamp (3-3) as the friction part, the tooth surface clamp (3-3) is arranged on the arc-shaped outer surface of the lower connecting rod (3-4), the tooth surface of the tooth surface clamp (3-3) faces outward, and the tooth surface is used for enhancing friction and contacting the inner wall of the pre-bored sleeve.