Jack with buffering, locking and anti-loosening effects

Abstract

The utility model discloses a jack with buffering, locking and anti-loosening effects, and relates to the technical field of jacks. The jack with the buffering, locking and anti-loosening effects comprises a shell, an ejector rod and a lock rod, the ejector rod and the lock rod are located on the inner side of the shell, the lock rod comprises a threaded rod and a sealing ring, two sets of annular grooves are formed in the threaded rod, a rotating plate is arranged at the right end of the threaded rod, and a spherical part is arranged on the upper side of the rotating plate; the number of the sealing rings is two. According to the jack with the buffering, locking and anti-loosening effects, the ejector rod is arranged, the upper rod and the base are arranged through the ejector rod, the upper rod is connected with the strong spring in a sleeved mode and connected with the base, impact force between the ejector rod and a jacked object is relieved through the strong spring, and the jacked object and the jack are effectively protected; the jack is provided with the locking rod, the oil passing path is formed in the inner side of the locking rod, the sealing ring is connected to the outer side of the locking rod in a sleeving mode, the one-way valve is further arranged to be matched with the locking rod for use, and the jack is locked through the locking rod and the one-way valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to jack technical field, concretely is the jack with buffer locking anti loosening effect. BACKGROUND

[0002] The traditional jack is usually rigid contact when jacking heavy objects, lacks effective buffer measures, and a large impact force is generated between the heavy object and the jack and between the components of the jack at the moment of jacking, which can damage the surface of the heavy object, accelerate the wear of the components of the jack and reduce the service life of the jack.

[0003] The common jack locking mode is mostly simple thread locking, and the thread is prone to loosening when bearing long-term pressure or being subjected to vibration and impact, resulting in locking failure.

[0004] The traditional jack lacks effective buffer measures when jacking heavy objects, which can damage the surface of the heavy object, accelerate the wear of the components of the jack and reduce the service life of the jack. In the case of long-term use of thread locking, the thread is prone to loosening due to vibration and impact, resulting in locking failure. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides the jack with buffer locking anti loosening effect, solves the problems that the traditional jack lacks effective buffer measures when jacking heavy objects, which can damage the surface of the heavy object, accelerate the wear of the components of the jack and reduce the service life of the jack, and the thread locking is prone to loosening, resulting in locking failure.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: the jack with buffer locking anti loosening effect comprises a shell, a jacking rod and a locking rod, the jacking rod and the locking rod are located on the inner side of the shell, and the locking rod comprises:

[0007] A screw rod is provided with two groups of annular grooves, the right end of the screw rod is provided with a rotating plate, and the upper side of the rotating plate is provided with a spherical part.

[0008] A sealing ring is provided with two groups, the sealing ring is clamped on the inner side of the annular groove, one group of the sealing ring is provided with a small hole, and the small hole corresponds to the oil way.

[0009] Preferably, the shell comprises:

[0010] An outer shell is provided with an oil inlet on the outer side, and a sealing nut is inserted into the inner side of the oil inlet.

[0011] An inner cylinder is located on the inner side of the outer shell, a clamping table is arranged on the inner side of the outer shell, a sealing packing is arranged on the top of the clamping table, a sealing ring is arranged on the inner side of the clamping table, and the sealing ring is tightly clamped with the upper rod.

[0012] Preferably, the bottom of the shell is provided with an oil passage, a one-way valve is arranged in the oil passage, and the inner cylinder is provided with an oil passage connected with the cavity between the shell and the inner cylinder.

[0013] Preferably, the inner cylinder is provided with an oil passage connected with the cavity between the shell and the inner cylinder.

[0014] Preferably, the top rod comprises:

[0015] an upper rod arranged in the inside of the shell, and a powerful spring is sleeved on the bottom of the upper rod;

[0016] a base arranged below the upper rod, and the base is sleeved on the outside of the upper rod and the powerful spring.

[0017] Preferably, a positioning groove is arranged on the outside of the base, an oil sealing ring is clamped in the positioning groove, and the oil sealing ring is tightly connected with the inner cylinder.

[0018] Preferably, an oil passage hole is arranged on the left end of the screw rod, the oil passage hole can be connected with the small hole, and the oil passage hole can be connected with the oil passage connected with the shell and the inner cylinder.

[0019] The utility model discloses a jack with buffering locking and anti-loose effects, which has the following beneficial effects: a top rod is arranged, an upper rod and a base are arranged by using the top rod, a powerful spring is sleeved on the upper rod and connected with the base, the impact force between the top rod and the object to be jacked up is reduced by using the powerful spring, and the object to be jacked up and the jack are effectively protected; a locking rod is arranged, an oil passage is arranged on the inside of the locking rod, a sealing ring is sleeved on the outside of the locking rod, a one-way valve is further arranged and used in cooperation with the locking rod, and the locking rod and the one-way valve are used to lock the jack. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0021] Fig. 1 It is a structural schematic diagram of the present utility model;

[0022] Fig. 2 It is a sectional structural schematic diagram of the present utility model;

[0023] Fig. 3 It is a structural schematic diagram of the top rod of the present utility model;

[0024] Fig. 4 It is a sectional structural schematic diagram of the top rod of the present utility model;

[0025] Fig. 5 It is a structure schematic view of the lock rod of the utility model;

[0026] Fig. 6 It is a structure schematic view of the lock rod of the utility model.

[0027] In the figure: 1, shell; 11, outer shell; 111, oil inlet; 112, sealing nut; 113, one-way valve; 12, inner cylinder; 121, sealing packing; 122, sealing ring; 2, top rod; 21, upper rod; 211, strong spring; 22, base; 221, positioning groove; 222, oil sealing ring; 3, lock rod; 31, screw rod; 311, annular groove; 312, rotating plate; 313, spherical part; 314, oil passage; 32, sealing ring; 321, small hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] The jack with the buffer locking and anti-loose effect provided in the embodiments of the present application solves the problems that the traditional jack lacks effective buffer measures when jacking heavy objects, the surface of the heavy object is damaged, the wear of the jack parts is accelerated, and the service life is reduced, the problem of locking failure caused by the problem that the thread locking is prone to loosening, and the use effect of the jack is improved.

[0030] The utility model discloses a jack with buffer locking and anti-loose effect.

[0031] According to the accompanying Figs. 1-6 As shown, including shell 1, top rod 2 and lock rod 3, top rod 2 and lock rod 3 are located inside shell 1, lock rod 3 includes screw rod 31, two sets of annular grooves 311 are formed on screw rod 31, rotating plate 312 is arranged at the right end of screw rod 31, spherical part 313 is arranged on the upper side of rotating plate 312;

[0032] Sealing ring 32, sealing ring 32 is provided with two sets, sealing ring 32 is clamped inside annular groove 311, one set of sealing ring 32 is provided with small hole 321, small hole 321 corresponds to the oil way.

[0033] The top rod 2 is provided with an upper rod 21 and a base 22, the upper rod 21 is sleeved with a strong spring 211 connected with the base 22, the strong spring 211 is used to slow down the impact force between the top rod 2 and the object to be jacked, effectively protecting the jacked object and the jack; the locking rod 3 is provided, the locking rod 3 is provided with an oil hole 314 on the inner side, the outer side is sleeved with a sealing ring 32, and a one-way valve 113 is further provided and used in cooperation with the locking rod 3, the locking rod 3 and the one-way valve 113 are used to lock the jack.

[0034] Further, the shell 1 includes an outer shell 11, the outer shell 11 is provided with an oil inlet 111 on the outer side, the oil inlet 111 is inserted with a sealing nut 112 on the inner side;

[0035] The inner cylinder 12 is located in the outer shell 11, the outer shell 11 is provided with a clamping table on the inner side, the clamping table is provided with a sealing filler 121 on the top, and a sealing ring 122 is arranged on the inner side of the clamping table, and the sealing ring 122 is closely connected with the upper rod 21.

[0036] Further, the outer shell 11 is provided with an oil way at the bottom, the oil way is provided with a one-way valve 113, and the inner cylinder 12 is provided with an oil way connected with the cavity between the outer shell 11 and the inner cylinder 12.

[0037] In particular, the inner cylinder 12 is provided with an oil way connected with the cavity between the outer shell 11 and the inner cylinder 12.

[0038] In particular, the top rod 2 includes:

[0039] The upper rod 21 is arranged in the shell 1, and the upper rod 21 is inserted with a strong spring 211 at the bottom;

[0040] The base 22 is located below the upper rod 21, and the base 22 is sleeved on the outer side of the upper rod 21 and the strong spring 211.

[0041] Need to be emphasized, the outer side of the base 22 is provided with a positioning groove 221, the positioning groove 221 is connected with an oil sealing ring 222, and the oil sealing ring 222 is closely connected with the inner cylinder 12.

[0042] According to the drawings Figs. 1-6 As shown, it includes a shell 1, a top rod 2 and a locking rod 3, the top rod 2 and the locking rod 3 are located in the shell 1, the locking rod 3 includes a screw rod 31, two groups of annular grooves 311 are arranged on the screw rod 31, a rotating plate 312 is arranged at the right end of the screw rod 31, and a spherical part 313 is arranged on the upper side of the rotating plate 312;

[0043] The sealing ring 32 is provided with two groups, the sealing ring 32 is connected in the annular groove 311, and one group of the sealing ring 32 is provided with a small hole 321 corresponding to the oil way.

[0044] It needs to be emphasized that the left end of the screw rod 31 is provided with an oil passage hole 314, the oil passage hole 314 can be communicated with the small hole 321, the oil passage hole 314 can be communicated with the oil passage connecting the outer shell 11 and the inner cylinder 12.

[0045] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A jack with buffering locking and anti-loosening effect, comprising a shell (1), a jacking rod (2) and a locking rod (3), the jacking rod (2) and the locking rod (3) being located inside the shell (1), characterized in that, The locking rod (3) comprises: A screw rod (31) is provided with two groups of annular grooves (311) on the screw rod (31), and a rotating plate (312) is arranged at the right end of the screw rod (31), and a spherical part (313) is arranged on the upper side of the rotating plate (312); Two groups of sealing rings (32) are arranged, the sealing rings (32) are clamped in the inner side of the annular groove (311), one group of the sealing rings (32) is provided with a small hole (321), and the small hole (321) corresponds to the oil channel.

2. The jack with the buffer locking and anti-loosening effect according to claim 1, characterized in that, The shell (1) comprises: An outer shell (11) is provided with an oil inlet (111) on the outer side, and a sealing nut (112) is inserted into the inner side of the oil inlet (111); An inner cylinder (12) is arranged on the inner side of the outer shell (11), a clamping table is arranged on the inner side of the outer shell (11), a sealing packing (121) is arranged on the top of the clamping table, a sealing ring (122) is arranged on the inner side of the clamping table, and the sealing ring (122) is tightly connected with the upper rod (21).

3. The jack with the buffer locking and anti-loosening effect according to claim 2, characterized in that, The bottom of the outer shell (11) is provided with an oil channel, the oil channel is provided with a one-way valve (113) inside, and the inner cylinder (12) is provided with an oil channel connected to the outside of the cylinder.

4. The jack with the buffer locking and anti-loosening effect according to claim 2, characterized in that, The inner cylinder (12) is provided with an oil channel connected with the cavity between the outer shell (11) and the inner cylinder (12).

5. The jack with the buffer locking and anti-loosening effect according to claim 1, characterized in that, The top rod (2) comprises: An upper rod (21) is arranged on the inner side of the shell (1), and a strong spring (211) is inserted into the bottom of the upper rod (21); A base (22) is arranged below the upper rod (21), and the base (22) is sleeved on the outer side of the upper rod (21) and the strong spring (211).

6. The jack with the buffer locking and anti-loosening effect according to claim 5, characterized in that, A positioning groove (221) is arranged on the outer side of the base (22), a sealing ring (222) is clamped in the positioning groove (221), and the sealing ring (222) is tightly connected with the inner cylinder (12).

7. The jack with the buffer locking and anti-loosening effect according to claim 1, characterized in that, The left end of the screw rod (31) is provided with an oil hole (314), the oil hole (314) can be connected with the small hole (321), and the oil hole (314) can be connected with the oil channel connected with the outer shell (11) and the inner cylinder (12).

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