CN214247956U

CN214247956U - Stainless steel valve accessory bolt with limiting function

Info

Publication number: CN214247956U
Application number: CN202022563791.2U
Authority: CN
Inventors: 尹建平; 孙军成
Original assignee: Shijiazhuang Senpu Stainless Steel Products Co ltd
Current assignee: Shijiazhuang Senpu Stainless Steel Products Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-09-21
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a stainless steel valve accessory bolt with limiting function, which comprises a screw rod, the top of the screw rod is fixedly connected with a screw head by a welding mode, the bottom of the screw rod is provided with a nut by a screw thread connection mode, the outer wall of the bottom end of the nut is provided with a connecting rod by a hinging connection mode, the bottom end of the connecting rod is fixedly connected with a limiting device by the hinging connection mode, the limiting device comprises a limiting clamp, the outer walls of the front end and the rear end of the limiting clamp are fixedly connected with a connecting block, the connecting block is provided with a through hole, the outer walls of the two side ends of the nut are provided with an inserting rod by a splicing mode, one end of the inserting rod, which is far away from the nut, is fixedly connected with a limiting plate by the welding mode, the inner wall of the nut is provided with a square groove, the inserting pin block is fixedly connected with the inserting rod by a spring in the square groove, the inserting rod is provided with an inserting groove at the joint of the inserting block, the inserting rod arranged in the utility model can cooperate with the limiting clamp to play a good fixing effect on the screw, making it difficult for the valve to be damaged by loose bolts.

Description

Stainless steel valve accessory bolt with limiting function

Technical Field

The utility model relates to a fastener device field specifically is a stainless steel valve accessory bolt with limit function.

Background

The bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), and is matched with a nut and used for fastening and connecting two parts with through holes. This type of connection is called a bolted connection, where the two parts can be separated if the nut is unscrewed from the bolt, so that the bolted connection is a detachable connection.

The bolt is required to be used to fix when current stainless steel valve accessory is installed, however, because the reason that the valve often used, will make some valve accessories often damage, the event needs often to screw up or unscrew the fixed bolt of accessory, will lead to bolt fastening performance to descend for a long time, and the condition of vibrations can appear owing to the reason of carrying the material when using for some valves, and long-time vibrations also can make the bolt take place not hard up the condition, in case the maintenance personal does not check out that the bolt has not hard up phenomenon, then probably make the bolt jump out, and make the condition emergence that the stainless steel valve damaged appear, in case the valve damages, then also can produce very big influence to the efficiency of material transport.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel valve accessory bolt with limit function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a stainless steel valve accessory bolt with a limiting function comprises a screw rod, a screw rod head is fixedly connected to the top of the screw rod in a welding mode, a buffer washer is arranged at the upper end of the screw rod in a sleeving mode, a nut is arranged at the bottom of the screw rod in a threaded connection mode, a connecting rod is arranged on the outer wall of the bottom end of the nut in a hinged connection mode, a limiting device is fixedly connected to the bottom end of the connecting rod in a hinged connection mode and comprises a limiting clamp, a hinge seat b is fixedly connected to the outer end wall of the outer side of the limiting clamp in a welding mode, the lower end of the connecting rod is fixedly connected with the hinge seat b in a hinged connection mode, connecting blocks are fixedly connected to the outer walls of the front end and the rear end of the limiting clamp, through holes are formed in the connecting blocks, inserting rods are arranged on the outer walls of the two side ends of the nut in an inserting mode, a limiting plate is fixedly connected to the end, away from the nut, and a square groove is formed in the inner wall of the nut, the square groove is internally fixedly connected with a plug pin block through a spring, the connecting part of the plug rod and the plug pin block is provided with a slot, and the plug pin block can be matched with the slot for use.

As a further aspect of the present invention: the outer wall of the bottom end of the nut is fixedly connected with a hinged seat a in a welding mode, and the upper end of the connecting rod is fixedly connected with the hinged seat a in a hinged connection mode.

As a further aspect of the present invention: the limiting device is of a symmetrical structure, the number of the limiting clamps is two, the connecting block is sleeved with the locking rod through the through hole, and the other end of the locking rod is connected with the limiting sleeve in an inserting mode.

As a further aspect of the present invention: the inner side and the outer side of the limiting clamp are fixedly connected with an anti-slip cushion layer, and the inner side wall of the anti-slip cushion layer is provided with a thread clamping groove which can be matched with the screw rod for use.

As a further aspect of the present invention: one end of the inserted rod inserted into the nut is fixedly connected with an elastic locking block, and the elastic locking block can be matched with the outer end wall of the screw rod for use.

As a further aspect of the present invention: the buffer gasket comprises an annular ferrule, and the outer wall of the upper end and the outer wall of the lower end of the annular ferrule are fixedly connected with elastic cushion layers.

As a further aspect of the present invention: screw head protective sheath is equipped with through the mode that cup joints in screw head upper end, and screw head protective sheath bottom is equipped with the recess, and the recess can use with the screw head cooperation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a check lock lever that sets up can cooperate the stop collar to make limit clamp can fix the screw rod bottom to can effectually support fixedly to the nut, make the nut hardly have the condition emergence that becomes flexible.

2. The utility model discloses in, the inserted bar accessible elasticity latch segment of setting is fixed the screw both sides end, and the bolt piece accessible slot of setting is fixed the inserted bar to can prevent effectively that the inserted bar from taking place the not hard up condition occasionally fixing the screw, make the inserted bar can cooperate limit clamp to play fine fixed effect to the nut, make the valve hardly have the condition that can damage to take place owing to the bolt is not hard up.

Drawings

Fig. 1 is a structural schematic diagram of a stainless steel valve fitting bolt with a limiting function.

Fig. 2 is a schematic structural diagram of a limiting clamp in a top view direction in a stainless steel valve accessory bolt with a limiting function.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a schematic sectional structural view in the front direction of a nut in a bolt of a stainless steel valve fitting with a limiting function.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.

Fig. 6 is a schematic structural diagram of a cushion washer in a top view direction in a stainless steel valve fitting bolt with a limiting function.

In the figure: 1. a screw head; 2. a screw; 3. a nut; 3-1, limiting plates; 3-2, inserting a rod; 3-3, an elastic locking block; 3-4, a square groove; 3-5, a spring; 3-6, a latch block; 4. a hinge seat a; 5. a connecting rod; 6. a limiting device; 6-1, limiting a clamp; 6-2, connecting blocks; 6-3, through holes; 6-4, an anti-skid cushion layer; 6-5, a hinged seat b; 6-6, a locking rod; 6-7, a limit sleeve; 7. a cushion washer; 7-1, an annular ferrule; 7-2, an elastic cushion layer; 8. a screw head protective sleeve; 8-1 and a groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a stainless steel valve accessory bolt with a limiting function comprises a screw rod 2, the top of the screw rod 2 is fixedly connected with a screw head 1 by welding, the upper end of the screw rod 2 is provided with a buffer washer 7 by sleeving, the bottom of the screw rod 2 is provided with a nut 3 by screw connection, the outer wall of the bottom end of the nut 3 is provided with a connecting rod 5 by hinge connection, the connecting rod 5 is arranged for fixing a limiting device 6, the bottom end of the connecting rod 5 is fixedly connected with the limiting device 6 by hinge connection, the limiting device 6 comprises a limiting clamp 6-1, the limiting clamp 6-1 is arranged for fixing the outer wall of the side end of the screw rod 2 by butt connection, the outer end wall of the limiting clamp 6-1 is fixedly connected with a hinge seat b6-5 by welding, the lower end of the connecting rod 5 is fixedly connected with a hinge seat b6-5 by hinge connection, the outer walls of the front end and the rear end of the limiting clamp 6-1 are fixedly connected with a connecting block 6-2, the connecting block 6-2 is provided with a through hole 6-3, the outer wall of the bottom end of the nut 3 is fixedly connected with a hinged seat a4 in a welding mode, the upper end of the connecting rod 5 is fixedly connected with a hinged seat a4 in a hinged mode, the limiting device 6 is of a symmetrical structure, the number of the limiting clamps 6-1 is two, the connecting block 6-2 is sleeved with a locking rod 6-6 through the through hole 6-3, the other end of the locking rod 6-6 is connected with a limiting sleeve 6-7 in a plugging mode, the arranged locking rod 6-6 can be matched with the limiting sleeve 6-7 to fix the limiting clamp 6-1 through the connecting block 6-2 and the through hole 6-3, the outer wall of the inner side of the limiting clamp 6-1 is fixedly connected with an anti-skid cushion layer 6-4, the inner side wall of the anti-slip cushion layer 6-4 is provided with a thread clamping groove which can be matched with the screw rod 2 for use, the arranged anti-slip cushion layer 6-4 can prevent the situation that the screw rod 2 is slipped when the fixing clamp 6-1 fixes the screw rod 2, and can also prevent thread teeth arranged on the outer end wall of the screw rod 2 from being damaged through the arranged thread clamping groove, the upper end of the screw head 1 is provided with a screw head protective sleeve 8 in a sleeving manner, the bottom end of the screw head protective sleeve 8 is provided with a groove 8-1, the groove 8-1 can be matched with the screw head 1 for use, and the arranged screw head protective sleeve 8 can replace the screw head 1 to be contacted with a bolt fixing tool when the screw rod is unscrewed or screwed, so that the service life of the bolt is prolonged.

Referring to fig. 4-6, the outer walls of the two sides of the nut 3 are provided with an insertion rod 3-2 by means of insertion, one end of the insertion rod 3-2, which is far away from the nut 3, is fixedly connected with a limiting plate 3-1 by means of welding, the inner wall of the nut 3 is provided with a square groove 3-4, a pin block 3-6 is fixedly connected in the square groove 3-4 by means of a spring 3-5, a slot is provided at the joint of the insertion rod 3-2 and the pin block 3-6, the pin block 3-6 can be used in cooperation with the slot, one end of the insertion rod 3-2, which is inserted into the nut 3, is fixedly connected with an elastic locking block 3-3, the elastic locking block 3-3 can be used in cooperation with the outer side end wall of the screw rod 2, the cushion washer 7 comprises an annular collar 7-1, the outer walls of the upper and lower ends of the annular collar 7-1 are fixedly connected with an elastic cushion layer 7-2, the annular ring 7-1 is arranged to prevent the bolt head 1 from damaging the outer surface of the device when the device is fastened, the inserted rod 3-2 is arranged to fix the outer end wall of the screw rod 2 from two side ends of the nut 3, the inserted pin block 3-6 is arranged to fix the inserted rod 3-2 through the slot, and the elastic locking block 3-3 is arranged to prevent the inserted rod 3-2 from damaging the thread of the screw rod 2.

The utility model discloses a theory of operation is: the bolt fixing method comprises the following steps: firstly, inserting a screw rod 2 into a jack of a device to be fastened, then screwing a nut 3 from the bottom end of the screw rod 2 until the nut 3 is fastened with the screw rod 2, then fixing a fixing clamp 6-1 at the outer end wall of the screw rod 2 through a connecting rod 5, enabling a thread clamping groove on an anti-skid cushion layer 6-4 to be completely matched with a thread, then fixing the limiting clamp 6-1 through a connecting block 6-2 and a through hole 6-3 by matching a locking rod 6-6 with a limiting sleeve 6-7, then fixing the screw rod 2 from two side ends of the nut 3-2, and enabling a pin block 3-6 to be inserted into a slot on the pin 3-2, and thus, completing bolt fastening.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A stainless steel valve accessory bolt with a limiting function comprises a screw rod (2), wherein the top of the screw rod (2) is fixedly connected with a screw head (1) in a welding mode, and the upper end of the screw rod (2) is provided with a buffer gasket (7) in a sleeving mode, and is characterized in that the bottom of the screw rod (2) is provided with a nut (3) in a threaded connection mode, the outer wall of the bottom end of the nut (3) is provided with a connecting rod (5) in a hinged connection mode, the bottom end of the connecting rod (5) is fixedly connected with a limiting device (6) in a hinged connection mode, the limiting device (6) comprises a limiting clamp (6-1), the outer end wall of the limiting clamp (6-1) is fixedly connected with a hinged seat b (6-5) in a welding mode, and the lower end of the connecting rod (5) is fixedly connected with the hinged seat b (6-5) in a hinged connection mode, the front end and the rear end of the limiting clamp (6-1) are fixedly connected with connecting blocks (6-2), through holes (6-3) are formed in the connecting blocks (6-2), inserting rods (3-2) are arranged on the outer walls of the two sides of the nut (3) in an inserting mode, one ends, far away from the nut (3), of the inserting rods (3-2) are fixedly connected with limiting plates (3-1) in a welding mode, square grooves (3-4) are formed in the inner wall of the nut (3), inserting pin blocks (3-6) are fixedly connected in the square grooves (3-4) through springs (3-5), inserting slots are formed in the connecting positions of the inserting rods (3-2) and the inserting pin blocks (3-6), and the inserting pin blocks (3-6) can be matched with the inserting slots for use.

2. The stainless steel valve fitting bolt with the limiting function according to claim 1, wherein the outer wall of the bottom end of the nut (3) is fixedly connected with a hinged seat a (4) in a welding mode, and the upper end of the connecting rod (5) is fixedly connected with the hinged seat a (4) in a hinged connection mode.

3. The stainless steel valve accessory bolt with the limiting function according to claim 1, wherein the limiting device (6) is of a symmetrical structure, the number of the limiting clamps (6-1) is two, the connecting block (6-2) is sleeved with the locking rod (6-6) through the through hole (6-3), and the other end of the locking rod (6-6) is connected with the limiting sleeve (6-7) in an inserting manner.

4. The stainless steel valve accessory bolt with the limiting function according to claim 3, wherein an anti-skid cushion layer (6-4) is fixedly connected to the outer wall of the inner side of the limiting clamp (6-1), and a threaded clamping groove which can be matched with the screw rod (2) is formed in the inner side wall of the anti-skid cushion layer (6-4).

5. The stainless steel valve accessory bolt with the limiting function according to claim 1, wherein one end of the inserted rod (3-2) inserted into the nut (3) is fixedly connected with an elastic locking block (3-3), and the elastic locking block (3-3) can be matched with the outer end wall of the screw rod (2) for use.

6. The stainless steel valve fitting bolt with the limiting function according to claim 1, wherein the buffer gasket (7) comprises an annular ring (7-1), and elastic cushion layers (7-2) are fixedly connected to the outer walls of the upper end and the lower end of the annular ring (7-1).

7. The stainless steel valve accessory bolt with the limiting function according to claim 1, wherein the upper end of the screw head (1) is provided with a screw head protective sleeve (8) in a sleeved mode, the bottom end of the screw head protective sleeve (8) is provided with a groove (8-1), and the groove (8-1) can be matched with the screw head (1) for use.