Breaking hammer joint convenient to replace

Abstract

The utility model discloses a breaking hammer joint convenient to replace, which relates to the technical field of mechanical engineering and comprises an upper connecting cylinder and a lower connecting cylinder, the bottom of the upper connecting cylinder is connected with the top of the lower connecting cylinder through a bayonet, a sleeve is arranged on the outer side of the upper connecting cylinder, a positioning boss is arranged at the top end of the upper connecting cylinder, threads are arranged on the inner side of the sleeve, and threads are arranged on the outer side of the positioning boss. The utility model has the advantages that the fixing bolt penetrates through the fixing hole of the upper connecting cylinder and the insertion hole of the sleeve, the connecting block and the clamping block are in close contact with the outer side of the sleeve, and the nut is used for fastening, so that the stability of connection is ensured, and when the joint needs to be replaced, only the nut needs to be loosened, and the joint can be replaced. And the upper connecting cylinder and the sleeve can be easily separated by pulling out the fixing bolt, so that the sleeve part can be independently replaced, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering technical field, concretely is a kind of breaking hammer joint convenient to replace. BACKGROUND

[0002] In the field of engineering construction, breaking hammer is a kind of commonly used mechanical equipment, which is connected with engineering host through joint to realize efficient operation, however, there are some problems in the actual application of the existing breaking hammer joint, at present, many breaking hammer joints adopt sleeve structure, thread is arranged inside sleeve and is connected with breaking hammer or host, but in the long-term use process, thread in sleeve is prone to wear phenomenon due to frequent installation and disassembly and bearing larger impact force, once thread in sleeve is seriously worn, the whole joint often needs to be replaced, cannot replace sleeve part alone, increase use cost, affect engineering progress, in addition, sealing leakage problem is also an important challenge faced by breaking hammer joint, breaking hammer will produce strong vibration and impact when working, if the sealing performance of joint is poor, it is easy to cause medium such as hydraulic oil to leak, which not only causes resource waste, but also can cause pollution to environment, at the same time, it can also affect working performance and service life of breaking hammer, traditional joint sealing mode is often difficult to maintain good sealing effect for a long time when facing high-strength working environment, needs to be maintained and adjusted constantly, which brings many inconvenience to construction.

[0003] The applicant finds that a new type of connecting structure of breaking hammer pipeline integrated joint is disclosed in Chinese patent, and the publication (announcement) number is "CN216813316U", the patent mainly through the end of joint core is equipped with positioning boss, one side of positioning boss is equipped with external thread, one side of external thread is equipped with a plurality of anti-skid protrusions;Sleeve includes sequentially connected joint core connecting part, arc connecting part and hose connecting part, joint core connecting part is equipped with connector, transition groove, buckling part and internal thread, internal thread is connected and matched with external thread, transition groove is arranged between connector and buckling part, soft tube connecting part and joint core are equipped with soft tube installation cavity, the outside of soft tube connecting part is equipped with a plurality of interval setting grooves, the inside of soft tube connecting part is equipped with a plurality of interval setting teeth, groove and tooth are staggered arrangement.This utility model connects through thread, avoids deep groove, effectively increases the stability and strength of sleeve and joint core connection after thread connection through sleeve buckling deformation, greatly improves service life, but the device cannot disassemble and replace sleeve, therefore, we propose a kind of breaking hammer joint convenient to replace. UTILITY MODEL CONTENTS

[0004] The utility model is directed to provide a kind of breaking hammer joint convenient to replace.

[0005] To achieve the above object, the utility model provides the following technical scheme: A broken hammer joint convenient to replace, including upper joint tube and lower joint tube, the upper joint tube bottom is connected with the lower joint tube top through the bayonet connection, the upper joint tube outside is equipped with the sleeve, and the top is equipped with the location boss, the sleeve inside is equipped with the screw thread, the location boss outside is equipped with the screw thread, the lower joint tube bottom is equipped with the connecting portion, the connecting portion inside is equipped with the screw thread, the upper joint tube barrel side is equipped with fixed hole, the fixed hole is equipped with two groups, the sleeve side is equipped with the insertion hole away from the screw thread end, the insertion hole is equipped with four groups, and two groups are opposite, the insertion hole is penetrated and is equipped with the fixed pin, the fixed pin is equipped with two groups, and one end is connected with the connecting block, the connecting block front side is in close contact with the sleeve outside, the fixed pin other end is penetrated and is equipped with the clamping block, and the other end outside is equipped with the screw thread, the clamping block rear side is in close contact with the sleeve outside, the fixed pin screw thread end is connected with the nut, the nut is in contact with the clamping block front side, the connecting portion upper end is equipped with the circular counterbore, the circular counterbore and lower joint tube inner tube interface are equipped with the sealing ring, the sealing ring is equipped with the limit boss close to the circular counterbore end, and the center is equipped with the screw hole, the lower joint tube inside is installed with the drainage petal, the drainage petal is fixedly connected with the sealing ring away from the circular counterbore end, and the sealing ring away from the circular counterbore end is in close connection with the lower joint tube inner wall.

[0006] As a further scheme of the utility model: the fixed pin is fixedly connected to the same connecting block front side, and penetrates the fixed hole and the insertion hole, the connecting block front side and the clamping block rear side are semicircular, the clamping block front side is equipped with the sunken platform, the nut is connected with the fixed pin screw thread end and is located in the sunken platform.

[0007] As a further scheme of the utility model: the limit boss is located at the screw hole bottom side outer circle, the drainage petal is funnel-shaped, and the narrow end faces the lower joint tube inside.

[0008] As a further scheme of the utility model: the sleeve inside bottom surface is equipped with the buffer rubber block, and the buffer rubber blocks are evenly distributed.

[0009] As a further scheme of the utility model: the lower joint tube outside is equipped with the convex ring, and the convex ring is hexagonal nut-shaped.

[0010] As a further scheme of the utility model: the upper joint tube is connected with the broken hammer end, and the lower joint tube is connected with the arm rod end.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a sleeve is fixed through the cooperation of fixed bolt, connecting block, clamping block and nut on the outside of upper joint cylinder, can firmly fix upper joint cylinder and sleeve, also is convenient to dismantle simultaneously, the fixed hole of upper joint cylinder and the insertion hole of sleeve are penetrated by fixed bolt, connecting block and clamping block are in close contact with the outside of sleeve, plus the fastening effect of nut, ensure the stability of connection, when needing to replace joint, just loosen the nut, pull out fixed bolt, can easily separate upper joint cylinder and sleeve, thereby, can replace sleeve part alone, reduced maintenance cost, increased the adaptability and flexibility of breaking hammer joint, make it can better adapt to various complex working conditions.

[0013] 2. The utility model discloses the circular counterbore of lower joint cylinder connecting portion upper end is equipped with sealing washer with lower joint cylinder inner tube interface, and the limit lug of sealing washer is equipped with near the circular counterbore end, can effectively prevent sealing washer displacement, the threaded hole of center makes sealing washer and the connection of lower joint cylinder more closely, and sealing washer is away from the circular counterbore end and the inner wall of lower joint cylinder is connected closely, has guaranteed the sealing property of joint, and the drainage petal of lower joint cylinder inside is fixedly connected with sealing washer away from the circular counterbore end, and the drainage petal is funnel-shaped, and the narrow end is towards lower joint cylinder inside, can effectively guide fluid flow, reduce the impact of fluid to sealing washer, further improved sealing performance, and the inside bottom surface of sleeve is equipped with buffer rubber block, and the buffer rubber block of uniform distribution can play the buffering effect when joint connection, reduce vibration and impact, protect joint and connecting component.

[0014] Other advantages, objects, and features of the present utility model will be set forth in part in the following specification, and in part will be apparent to those skilled in the art from the examination of the following specification, or can be learned from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole three-dimensional schematic diagram of device in the embodiment of the utility model;

[0016] Figure 2 It is whole overhead schematic diagram of device in the embodiment of the utility model;

[0017] Figure 3 It is partial three-dimensional schematic diagram of device in the embodiment of the utility model;

[0018] Figure 4 It is three-dimensional schematic diagram of sleeve in the embodiment of the utility model;

[0019] Figure 5 It is three-dimensional schematic diagram of fixed assembly in the embodiment of the utility model;

[0020] Figure 6 It is partial sectional schematic diagram of device in the embodiment of the utility model.

[0021] In the figure: 1, upper sleeve; 2, lower sleeve; 3, sleeve; 4, connecting part; 5, fixing hole; 6, insertion hole; 7, fixed bolt; 8, connecting block; 9, clamping block; 10, nut; 11, circular counterbore; 12, sealing ring; 13, limiting lug; 14, threaded hole; 15, drainage petal. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described below with reference to the drawings, and it should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.

[0023] In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as there is no conflict between them.

[0024] Please refer to the drawings Figure 1 - the drawings Figure 6The utility model relates to a kind of broken hammer joint convenient to replace, upper adapter 1 bottom and lower adapter 2 top are connected by bayonet, upper adapter 1 outside is equipped with sleeve 3, and top is equipped with positioning boss, positioning boss can accurately determine the position of upper adapter 1 during installation, ensure that the connection with other components is accurate, the inside of sleeve 3 is equipped with thread, the outside of positioning boss is equipped with thread, lower adapter 2 bottom is equipped with connecting portion 4, the inside of connecting portion 4 is equipped with thread, ensure that lower adapter 2 can be stably connected to other equipment, upper adapter 1 barrel side is equipped with fixed hole 5, fixed hole 5 is equipped with two groups, sleeve 3 side is equipped with insertion hole 6 away from thread end, insertion hole 6 is equipped with four groups, and two groups are opposite, ensure that fixed bolt 7 can be accurately inserted, and will not appear loose or deviation during use, insertion hole 6 is penetrated by fixed bolt 7, fixed bolt 7 is equipped with two groups, and one end is connected with connecting block 8, the front side of connecting block 8 and the outside of sleeve 3 are in close contact, the other end of fixed bolt 7 is penetrated by clamping block 9, and the other end outside is equipped with thread, the rear side of clamping block 9 and the outside of sleeve 3 are in close contact, the thread end of fixed bolt 7 is all connected with nut 10, nut 10 and the front side of clamping block 9 contact, nut 10 and the front side of clamping block 9 are in close contact, can ensure that clamping block 9 always maintains enough clamping force during use, connecting portion 4 upper end is equipped with circular countersunk hole 11, circular countersunk hole 11 and lower adapter 2 inner tube interface are equipped with sealing ring 12, can effectively prevent liquid or gas leakage, sealing ring 12 is equipped with limit boss 13 close to circular countersunk hole 11 end, and center is equipped with threaded hole 14, drainage petal is installed in lower adapter 2 inside, guides the flow direction of liquid or gas, prevents fluid from causing direct impact to sealing ring 12, to prolong the service life of sealing ring 12, drainage petal and sealing ring 12 are fixedly connected away from circular countersunk hole 11 end, sealing ring 12 is fixedly connected with the inner wall of lower adapter 2 away from circular countersunk hole 11 end, the friction between sealing ring 12 and the inner wall of lower adapter 2 can prevent sealing ring 12 from displacement or deformation under the action of fluid pressure, to ensure the sealing property and reliability of joint.

[0025] Example one, fixed bolt 7 is fixedly connected to the front side of same connecting block 8, and penetrates fixed hole 5 and insertion hole 6, the front side of connecting block 8 and the rear side of clamping block 9 are all semicircular, the front side of clamping block 9 is equipped with sunken platform, nut 10 is connected with the thread end of fixed bolt 7, and is located sunken platform, limit boss 13 is located the bottom side outer ring of threaded hole 14, drainage petal is funnel-shaped, and narrow end faces lower adapter 2 inside.

[0026] Specifically, the fixed bolt 7 penetrates the fixed hole 5 on the side of the upper adapter 1 and the insertion hole 6 on the side of the sleeve 3, forming a stable connection structure. The front side of the semicircular connecting block 8 can better contact the outer side of the sleeve 3, increasing the contact area and thus improving the stability of the connection. Similarly, the rear side of the clamping block 9 is also semicircular, cooperating with the semicircular front side of the connecting block 8, so that the clamping block 9 can be more closely attached to the outer side of the sleeve 3, further enhancing the clamping effect of the fixed bolt 7. When the nut 10 is connected to the threaded end of the fixed bolt 7, the nut 10 is located in the sunken platform, which provides a stable installation position for the nut 10, so that the nut 10 will not shift or shake during tightening. At the same time, the presence of the sunken platform also makes the entire connection structure more compact, reducing the influence of external factors on the nut 10 and ensuring that the nut 10 can always maintain a fastened state, thereby ensuring that the connection between the upper adapter 1 and the lower adapter 2 is firm and reliable. The funnel-shaped drainage petals can effectively guide the flow direction of the fluid, making it flow more smoothly through the lower adapter 2.

[0027] In the second embodiment, the inner bottom surface of the sleeve 3 is provided with a buffer rubber block, which is uniformly distributed. The outer side of the lower adapter 2 is provided with a convex ring, which is hexagonal nut-shaped. The upper adapter 1 is connected to the end of the breaking hammer, and the lower adapter 2 is connected to the end of the arm rod.

[0028] Specifically, the buffer rubber block can effectively absorb and disperse these forces, thereby reducing the impact on the connection part 4 of the upper adapter 1 and the lower adapter 2. The uniformly distributed buffer rubber blocks ensure stable buffering in all directions, avoiding damage caused by excessive local stress. The hexagonal nut-shaped convex ring can be operated using standard wrenches or sleeve 3 tools, making the connection between the lower adapter 2 and the end of the arm rod easier and faster.

[0029] Working principle:

[0030] First, the upper adapter 1 is used for connecting the end of the breaking hammer, the lower adapter 2 is used for connecting the end of the arm rod, the bottom of the upper adapter 1 is connected with the top of the lower adapter 2 through the bayonet connection, the sleeve 3 outside the upper adapter 1 is matched with the positioning boss outside thread at the top end of the upper adapter 1 through the inside thread, further enhancing the stability of the connection, when it is needed to fix the upper adapter 1 and the sleeve 3, the fixed pin 7 is inserted through the fixed hole 5 on the side of the upper adapter 1 and the insertion hole 6 on the side of the sleeve 3, the front side of the connecting block 8 connected with one end of the fixed pin 7 and the rear side of the clamping block 9 inserted through the other end are both semicircular, which are in close contact with the outside of the sleeve 3, ensuring the tightness of the connection, then, the nut 10 is screwed on the threaded end of the fixed pin 7, the nut 10 is located at the sunken platform on the front side of the clamping block 9, the clamping block 9 and the connecting block 8 tightly fix the sleeve 3 and the upper adapter 1 together by tightening the nut 10, the circular counterbore 11 at the upper end of the connecting part 4 of the lower adapter 2 is provided with a sealing ring 12 at the inner pipe interface of the lower adapter 2, the limiting lug 13 close to the end of the circular counterbore 11 of the sealing ring 12 plays a positioning role, preventing the displacement of the sealing ring 12, the threaded hole 14 in the center of the sealing ring 12 can be used for connecting or fixing with other parts, the drainage petals inside the lower adapter 2 are funnel-shaped, the narrow end faces the inside of the lower adapter 2, and are fixedly connected with the sealing ring 12 away from the end of the circular counterbore 11, in the working process, the drainage petals can guide the flow of fluid, reduce the direct impact of the fluid on the sealing ring 12, and improve the sealing effect, the evenly distributed buffer rubber blocks inside the bottom surface of the sleeve 3 can absorb and buffer the vibration and impact force generated by the breaking hammer when the joint works, protect the joint parts, and prolong the service life of the joint, the convex ring outside the lower adapter 2 is hexagonal nut-shaped, facilitating the installation and disassembly operation by using tools, when it is needed to replace the joint, the nut 10 is loosened, the fixed pin 7 is pulled out, and then the upper adapter 1 and the sleeve 3 can be separated, thus, the whole working process is completed.

[0031] The above-mentioned front, rear, left, right, top and bottom are based on the directions or positional relationships shown in the drawings, Figure 1 as the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0032] In the description of the utility model, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the protection scope of the utility model.

[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments.

[0034] For those skilled in the art, various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A break hammer joint convenient to replace, comprising an upper adapter (1) and a lower adapter (2), the bottom of the upper adapter (1) is connected with the top of the lower adapter (2) through a bayonet connection, the outer side of the upper adapter (1) is provided with a sleeve (3), and the top end is provided with a positioning boss, the inner side of the sleeve (3) is provided with a thread, the outer side of the positioning boss is provided with a thread, and the bottom of the lower adapter (2) is provided with a connecting part (4), and the inner side of the connecting part (4) is provided with a thread, characterized in that: The upper sleeve (1) is provided with a fixing hole (5) on the side of the cylinder, the fixing hole (5) is provided with two groups, the sleeve (3) is provided with a insertion hole (6) away from the threaded end, the insertion hole (6) is provided with four groups, and two groups are opposite, the insertion hole (6) is penetrated by a fixed bolt (7), the fixed bolt (7) is provided with two groups, and one end is connected with a connecting block (8), the front side of the connecting block (8) is in close contact with the outside of the sleeve (3), the other end of the fixed bolt (7) is penetrated by a clamping block (9), and the other end is provided with a thread, the rear side of the clamping block (9) is in close contact with the outside of the sleeve (3), the threaded end of the fixed bolt (7) is connected with a nut (10), the nut (10) is in contact with the front side of the clamping block (9), the upper end of the connecting part (4) is provided with a circular counterbore (11), the circular counterbore (11) is provided with a sealing ring (12) at the inner tube interface of the lower sleeve (2), the sealing ring (12) is provided with a limiting block (13) near the end of the circular counterbore (11), and a threaded hole (14) is provided at the center, the lower sleeve (2) is provided with a drainage valve (15) inside, the drainage valve (15) is fixedly connected with the sealing ring (12) away from the end of the circular counterbore (11), and the end of the sealing ring (12) away from the circular counterbore (11) is tightly connected with the inner wall of the lower sleeve (2). ​ 2. A break hammer adapter for easy replacement according to claim 1, characterized in that: The fixed bolt (7) is fixedly connected to the front side of the same connecting block (8), and penetrates the fixing hole (5) and the insertion hole (6), the front side of the connecting block (8) and the rear side of the clamping block (9) are semicircular, the front side of the clamping block (9) is provided with a sunken platform, the nut (10) is connected with the threaded end of the fixed bolt (7), and located in the sunken platform.

3. A break hammer adapter for easy replacement according to claim 1, characterized in that: The limiting block (13) is located at the bottom side of the threaded hole (14), the drainage valve (15) is funnel-shaped, and the narrow end faces the inside of the lower sleeve (2).

4. A break hammer adapter for easy replacement according to claim 1, characterized in that: The inside of the sleeve (3) is provided with a buffer rubber block, and the buffer rubber blocks are evenly distributed.

5. A break hammer adapter for easy replacement according to claim 1, characterized in that: The outside of the lower sleeve (2) is provided with a convex ring, which is hexagonal nut-shaped.

6. A break hammer adapter for easy replacement according to claim 1, characterized in that: The upper sleeve (1) is connected with the end part of the breaking hammer, and the lower sleeve (2) is connected with the end part of the arm rod.

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