Portable nut breaker

Abstract

The utility model relates to the technical field of nut breaking and removing, in particular to a portable nut breaking and removing device which comprises a shell, a threaded groove is formed in the right side of an inner cavity of the shell, a breaking and removing mechanism is in threaded connection with an inner cavity of the threaded groove, a cutter groove is formed in the left end of the breaking and removing mechanism and communicated with the inner cavity of the shell, and the cutter groove is communicated with the inner cavity of the shell. Two sets of T-shaped grooves are formed in the outer side of the shell, nut clamping sleeve assemblies are connected to inner cavities of the T-shaped grooves in a clamped mode, notches are symmetrically formed in the outer side of the shell, and limiting mechanisms are installed in inner cavities of the notches. And then the moving distance of the cutter is limited through the limiting mechanism, so that the situation that the cutter continues to move after breaking and cutting the nut, and consequently the bolt is damaged is avoided, through the designed detachable nut clamping sleeve assembly, different nut clamping sleeve assemblies can be conveniently replaced for use according to nuts of different models, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut breaking technical field especially, relates to a portable nut breaker. BACKGROUND

[0002] The nut is rusted and dies in long -term open -air humid, high temperature or corrosive environment, makes the nut not directly unmountable, needs to use the nut breaker, breaks the cutting knife and cuts the nut, can take down the rusted and dies nut and replaces.

[0003] The nut breaker used in the prior art has a large volume and weight, and needs to be provided with breakers of various models according to nuts of different sizes, which affects work efficiency and is inconvenient to carry and use, and most of the existing nut breakers cannot limit and push the cutting knife according to the thickness of the nut, so that the bolt is damaged, and the use effect is affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a portable nut breaker.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme.

[0006] A portable nut breaker is designed, which comprises a shell, a threaded groove is arranged on the right side of the inner cavity of the shell, a breaking mechanism is screwed in the inner cavity of the threaded groove, a cutter groove is arranged on the left end of the breaking mechanism, the cutter groove is communicated with the inner cavity of the shell, two groups of T-shaped grooves are arranged on the outer side of the shell, nut sleeve assemblies are clamped in the inner cavities of the T-shaped grooves, slot openings are symmetrically arranged on the outer side of the shell, and limiting mechanisms are installed in the inner cavities of the slot openings.

[0007] The breaking mechanism comprises a base screwed with the threaded groove, a hydraulic cylinder is installed at one end of the base, an oil pipe is screwed at one end of the hydraulic cylinder, a valve is installed on the outer side of the oil pipe, a connecting head is installed at one end of the oil pipe, a hydraulic rod is movably sleeved in the inner cavity of the hydraulic cylinder, a supporting rod is connected to one end of the hydraulic rod, a cutter is installed at one end of the supporting rod, one end of the cutter corresponds to the position of the cutter groove, and an outer disc is installed on the outer side of the hydraulic rod.

[0008] The limiting mechanism comprises a lead screw rotatably connected with the inner cavity of the slot opening, a threaded block is screwed on the outer side of the lead screw, a baffle is connected to one end of the threaded block, the baffle corresponds to the position of the outer disc, and a rubber pad is bonded to one side of the baffle.

[0009] Further, one end of the outer disc is connected with a spring, and the inner cavity of the shell is provided with a fixed disc which is movably sleeved on the outer side of the hydraulic rod, and one end of the spring is connected with the fixed disc.

[0010] Further, the outer side of the supporting rod is symmetrically connected with a limiting block, and the inner cavity of the shell is symmetrically provided with a limiting groove which is slidably connected with the limiting block.

[0011] Further, the outer side of the screw rod is provided with a first gear, the inner cavity of the slot is rotatably connected with a supporting shaft, and the outer side of the supporting shaft is provided with a second gear which is engaged with the first gear.

[0012] Further, the nut sleeve assembly comprises a T-shaped block which is clamped with the two groups of T-shaped grooves, one side of the T-shaped block is commonly connected with a nut clamping head, one end of the T-shaped block is bonded with a rubber block, and the rubber block is located in the inner cavity of the T-shaped groove.

[0013] Further, the outer side of the shell is provided with a supporting frame, and one side of the supporting frame is connected with a handle.

[0014] The portable nut breaker has the advantages that:

[0015] 1. The pipe head of the hydraulic pipe is connected with the external hydraulic equipment through the connecting head of the breaking mechanism, and then the oil supply is carried out, the hydraulic oil drives the hydraulic rod to move forward, the hydraulic rod drives the outer disc to move while compressing the spring, the hydraulic rod drives the supporting rod and the cutter to move forward, the cutter breaks and cuts the nut which has been sleeved with the nut sleeve assembly, the outer disc moves to be attached to the rubber pad on the outer side of the baffle, the movement of the hydraulic rod is blocked, and the external hydraulic equipment is stopped to continue oil supply, so that the cutter is prevented from moving continuously after breaking and cutting the nut and damaging the bolt, and the use effect of the breaker is effectively improved.

[0016] 2. A plurality of nut sleeve assemblies are designed according to different types of nuts, the T-shaped block on one side of the nut clamping head is clamped into the T-shaped groove on the outer side of the T-shaped block, the rubber block is designed to be clamped into the T-shaped groove together with the T-shaped block, the clamping and fastening effect between the T-shaped block and the T-shaped groove is effectively improved, the nut sleeve assembly of different types can be conveniently installed, disassembled and replaced, and the use effect is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an overall three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is an overall three-dimensional structure schematic view of the utility model;Figure 2 Schematic diagram of the device amplification structure in part A;

[0020] Figure 4 Schematic diagram of the shell part in cross-section;

[0021] Figure 5 Schematic diagram of the shell part in half cross-section;

[0022] Figure 6 Schematic diagram of the limiting mechanism in three-dimensional structure.

[0023] In the figure: shell 1, breaking mechanism 2, hydraulic cylinder 21, base 22, oil pipe 23, connector 24, valve 25, hydraulic rod 26, support rod 27, cutter 28, outer disc 29, spring 210, notch 3, limiting mechanism 4, lead screw 41, first gear 42, support shaft 43, second gear 44, threaded block 45, baffle 46, rubber pad 47, cutter slot 5, nut clamping sleeve assembly 6, nut clamping head 61, T-shaped block 62, rubber block 63, support frame 7, handle 8, T-shaped groove 9, threaded groove 10, limiting groove 11, fixed disc 12, limiting block 13. DETAILED DESCRIPTION

[0024] The technical solutions in 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0025] Referring to Figures 1-6 A portable nut breaker includes a shell 1, a threaded groove 10 is arranged on the right side of the inner cavity of the shell 1, a breaking mechanism 2 is screwed in the inner cavity of the threaded groove 10, a cutter slot 5 is arranged on the left end of the breaking mechanism 2, the cutter slot 5 is communicated with the inner cavity of the shell 1, the breaking mechanism 2 includes a base 22 screwed with the threaded groove 10, the base 22 is provided with a hydraulic cylinder 21 at one end, the hydraulic cylinder 21 is provided with an oil pipe 23 at one end, the oil pipe 23 is provided with a valve 25 on the outer side, the oil pipe 23 is provided with a connector 24 at one end, the hydraulic cylinder 21 is movably sleeved with a hydraulic rod 26 in the inner cavity, the hydraulic rod 26 is connected with a support rod 27 at one end, the support rod 27 is provided with a cutter 28 at one end, the cutter 28 is located opposite to the cutter slot 5, the hydraulic rod 26 is provided with an outer disc 29 on the outer side, the outer disc 29 is connected with a spring 210 at one end, the shell 1 is provided with a fixed disc 12 in the inner cavity, the fixed disc 12 is movably sleeved on the outer side of the hydraulic rod 26, and one end of the spring 210 is connected with the fixed disc 12.

[0026] The base 22 is screwed with the threaded groove 10, which is convenient for installation and disassembly, and is convenient for operation and use. After the pipe head of the hydraulic pipe is connected with the connecting head 24 through the external hydraulic equipment, the valve 25 is opened, then oil supply is performed through the oil way, the hydraulic oil enters the hydraulic cylinder 21 through the oil pipe 23, so that the hydraulic oil pushes the hydraulic rod 26 to move forward, the hydraulic rod 26 drives the outer disc 29 to move while compressing the spring 210, the hydraulic rod 26 simultaneously drives the supporting rod 27 and the cutter 28 to move forward, the cutter 28 cuts the nut which has been sleeved by the nut sleeve assembly 6, after the nut cutting is completed, the hydraulic oil is recovered through the external hydraulic equipment, the hydraulic rod 26 is automatically reset after the outer disc 29 on the outer side of the hydraulic rod 26 rebounds with the compressed spring 210, which is convenient for use.

[0027] The outer side of the supporting rod 27 is symmetrically connected with the limiting block 13, and the inner cavity of the shell 1 is symmetrically provided with the limiting groove 11 which is slidably connected with the limiting block 13. In the process of the supporting rod 27 driving the cutter 28 to move for cutting, the limiting block 13 on the outer side of the supporting rod 27 moves synchronously in the inner cavity of the limiting groove 11, which effectively improves the stability of the movement of the supporting rod 27.

[0028] The outer side of the shell 1 is provided with two groups of T-shaped grooves 9, the T-shaped block 62 of the nut sleeve assembly 6 is clamped in the inner cavity of the T-shaped groove 9, the nut sleeve assembly 6 comprises the T-shaped block 62 which is clamped with the two groups of T-shaped grooves 9, the nut sleeve assembly 6 comprises the nut sleeve assembly 6, the T-shaped block 62 on one side is connected with the nut sleeve assembly 6, the T-shaped block 62 on one end is connected with the nut sleeve assembly 6, and the rubber block 63 is located in the inner cavity of the T-shaped groove 9.

[0029] According to different models of nuts, a plurality of nut sleeve assemblies 6 are designed, the T-shaped block 62 on one side of the nut sleeve assembly 6 is clamped into the T-shaped groove 9 on the outer side of the T-shaped block 62, and the designed rubber block 63 is clamped into the T-shaped groove 9 together with the T-shaped block 62, so that the clamping and fastening effect between the T-shaped block 62 and the T-shaped groove 9 is effectively achieved, the nut sleeve assembly 6 is clamped with the nut for cutting operation, and the nut sleeve assembly 6 is convenient to install, disassemble and replace, and different models of nuts are used, so that the use effect is effectively improved.

[0030] The outer side of the shell 1 is symmetrically provided with the slot 3, the inner cavity of the slot 3 is provided with the limiting mechanism 4, the limiting mechanism 4 comprises the lead screw 41 which is rotatably connected with the inner cavity of the slot 3, the outer side of the lead screw 41 is screwed with the threaded block 45, one end of the threaded block 45 is connected with the baffle 46, the position of the baffle 46 corresponds to the position of the outer disc 29, one side of the baffle 46 is connected with the rubber pad 47, the outer side of the lead screw 41 is provided with the first gear 42, the inner cavity of the slot 3 is rotatably connected with the supporting shaft 43, and the outer side of the supporting shaft 43 is provided with the second gear 44 which is engaged with the first gear 42.

[0031] According to the thickness of the nut, before breaking and cutting, by rotating the second gear 44, the second gear 44 drives the first gear 42 to rotate, and the first gear 42 drives the lead screw 41 to rotate, and the height of the threaded block 45 outside the lead screw 41 matches the height of the inner cavity of the slot 3, and then the threaded block 45 moves towards the direction of the outer disc 29 while the lead screw 41 rotates, and the right side of the inner cavity of the slot 3 is flush with the left side of the outer disc 29, adjusting the distance between the threaded block 45 and the right side of the inner cavity of the slot 3 according to the thickness of the nut, facilitating the breaking and cutting operation of the breaking mechanism 2, when the hydraulic rod 26 moves the outer disc 29, the outer disc 29 moves to the rubber pad 47 outside the baffle 46, and the hydraulic rod 26 continues to move, and the hydraulic equipment outside continues to supply oil, so as to avoid the cutting knife 28 from moving after breaking the nut, causing damage to the bolt, thereby effectively improving the use effect of the breaker.

[0032] The outer side of the shell 1 is provided with a support frame 7, one side of the support frame 7 is connected with a handle 8, which is convenient for the user to hold the handle 8 for use.

[0033] Working principle: the utility model discloses in using, the T-shaped block 62 of one side of nut clamp joint 61 that is adapted to the nut that needs to break and cut is clamped into the T-shaped groove 9 of T-shaped block 62 outside, and the rubber block 63 with the T-shaped block 62 is clamped into the T-shaped groove 9 through design, effectively through the clamping fastening effect between T-shaped block 62 and T-shaped groove 9, convenient installation and removal, and convenient replacement different model nut clamp sleeve assembly 6 uses, effectively improve the use effect, according to the thickness of different nut, before breaking and cutting, by rotating second gear 44, and second gear 44 drives first gear 42 rotation, and first gear 42 drives lead screw 41 rotation, and the height of the threaded block 45 outside the lead screw 41 is matched with the height of the inner chamber of the notch 3, and then the threaded block 45 moves towards the direction of the outer disc 29 while the lead screw 41 rotates, and the inner chamber right side of the notch 3 and the left side of the outer disc 29 are flush, and the distance between the threaded block 45 and the inner chamber right side of the notch 3 is adjusted according to the thickness of the nut, then the hydraulic tube head is connected with the connector 24 through the external hydraulic equipment, the valve 25 is opened, then the oil supply is carried out through the oil way, and the hydraulic oil enters the hydraulic cylinder 21 through the oil pipe 23, so that the hydraulic oil pushes the hydraulic rod 26 to move forward, and the hydraulic rod 26 drives the outer disc 29 to move while compressing the spring 210, and the hydraulic rod 26 drives the support rod 27 and the cutter 28 to move forward, and the cutter 28 breaks and cuts the nut that has been sleeved by the nut clamp sleeve assembly 6, when the hydraulic rod 26 drives the outer disc 29 to move, the outer disc 29 moves to the rubber pad 47 outside the baffle 46, and the hydraulic rod 26 is blocked, and the external hydraulic equipment is stopped to continue oil supply operation, so as to avoid the cutter 28 from moving continuously after breaking and cutting the nut, causing damage to the bolt, thereby effectively improving the use effect of the breaker, after the nut breaking and cutting is completed, the hydraulic oil is recovered through the external hydraulic equipment, and the hydraulic rod 26 is automatically reset after the outer disc 29 outside the hydraulic rod 26 is rebounded by the compressed spring 210, convenient to use.

[0034] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A portable nut breaker comprising a housing (1), characterized in that, The inner cavity of the shell (1) is provided with a threaded groove (10), the inner cavity of the threaded groove (10) is screwed with a breaking mechanism (2), the left end of the breaking mechanism (2) is provided with a knife groove (5), the knife groove (5) is communicated with the inner cavity of the shell (1), the outer side of the shell (1) is provided with two groups of T-shaped grooves (9), the inner cavity of the T-shaped groove (9) is clamped with a nut sleeve assembly (6), the outer side of the shell (1) is symmetrically provided with a notch (3), the inner cavity of the notch (3) is mounted with a limiting mechanism (4). The breaking mechanism (2) comprises a base (22) screwed with the threaded groove (10), one end of the base (22) is mounted with a hydraulic cylinder (21), one end of the hydraulic cylinder (21) is screwed with an oil pipe (23), the outer side of the oil pipe (23) is mounted with a valve (25), one end of the oil pipe (23) is mounted with a connector (24), the inner cavity of the hydraulic cylinder (21) is movably sleeved with a hydraulic rod (26), one end of the hydraulic rod (26) is connected with a support rod (27), one end of the support rod (27) is mounted with a cutter (28), one end of the cutter (28) corresponds in position with the knife groove (5), the outer side of the hydraulic rod (26) is mounted with an outer disc (29). The limiting mechanism (4) comprises a lead screw (41) rotatably connected with the inner cavity of the notch (3), the outer side of the lead screw (41) is screwed with a threaded block (45), one end of the threaded block (45) is connected with a baffle (46), the baffle (46) corresponds in position with the outer disc (29), one side of the baffle (46) is bonded with a rubber pad (47).

2. A portable nut breaker according to claim 1, wherein, One end of the outer disc (29) is connected with a spring (210), the inner cavity of the shell (1) is mounted with a fixed disc (12), the fixed disc (12) is movably sleeved on the outer side of the hydraulic rod (26), one end of the spring (210) is connected with the fixed disc (12).

3. A portable nut breaker according to claim 1, wherein, The outer side of the support rod (27) is symmetrically connected with a limiting block (13), the inner cavity of the shell (1) is symmetrically provided with a limiting groove (11) slidably connected therewith.

4. A portable nut breaker according to claim 1, wherein, The outer side of the lead screw (41) is mounted with a first gear (42), the inner cavity of the notch (3) is rotatably connected with a support shaft (43), the outer side of the support shaft (43) is mounted with a second gear (44) engaged with the first gear (42).

5. The portable nut breaker of claim 1, wherein, The nut sleeve assembly (6) comprises a T-shaped block (62) clamped with the two groups of T-shaped grooves (9), one side of the T-shaped block (62) is commonly connected with a nut clamping head (61), one end of the T-shaped block (62) is bonded with a rubber block (63), the rubber block (63) is located in the inner cavity of the T-shaped groove (9).

6. A portable nut breaker according to claim 1, wherein, The outer side of the shell (1) is mounted with a support frame (7), one side of the support frame (7) is connected with a handle (8).

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