CN212672206U

CN212672206U - Stud assembly and plate heat exchanger using same

Info

Publication number: CN212672206U
Application number: CN202021328937.9U
Authority: CN
Inventors: 魏尧征; 杨波
Original assignee: Shandong Lanqiao Standard Parts Co ltd
Current assignee: Shandong Lanqiao Standard Parts Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-09
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to a stud assembly and a plate heat exchanger using the stud assembly, which belongs to the technical field of fasteners, the stud assembly comprises a stud and a stop washer, the stop washer is sleeved with one end of the stud, one end of the stop washer, which is close to a first connected piece, is connected with a plug connector for fixing the stop washer, the plug connector is in plug fit with the first connected piece, one end of the stop washer, which is far away from the first connected piece, is provided with a fixed groove, one end of the stud, which is close to the fixed groove, is in threaded connection with a first nut, the first nut is in clamping connection with the fixed groove, and one end of the stud, which is far away from; a plate heat exchanger comprises a first connected piece, a second connected piece, a heat exchange plate clamped between the first connected piece and the second connected piece and the stud assembly, wherein the plug connector is in plug-in fit with the first connected piece. This application has the stud of being convenient for and by the installation of connecting piece, the effect of using manpower sparingly.

Description

Stud assembly and plate heat exchanger using same

Technical Field

The application relates to the field of fasteners, in particular to a stud assembly and a plate heat exchanger using the same.

Background

Stud refers to a cylindrical fastener with threads at both ends, and is widely applied to electric power, chemical engineering, machinery, boiler steel structures, large-span steel structures, large buildings and the like.

In the related art, the stud is used for connecting two connected pieces, the two connected pieces are a first connected piece and a second connected piece respectively, the first connected piece and the second connected piece are generally provided with communicating holes for the stud to pass through, the stud passes through the communicating holes of the two connected pieces, and the two ends of the stud are in threaded connection with the two nuts so as to realize the connection of the two connected pieces.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the stud is installed, the stud needs to penetrate through the communicating holes of the two connected pieces, one worker holds the stud at the first connected piece, the other worker connects a nut and one end, close to the second connected piece, of the clamping stud at the second connected piece in a threaded mode, then the nut and the stud are fixed through a wrench, the other nut and one end, close to the first connected piece, of the stud are connected through threads by the former worker, the installation mode of the stud is complex, and labor consumption is caused.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the installation of stud and by the connecting piece, use manpower sparingly, this application provides a stud subassembly and applied this stud subassembly's plate heat exchanger.

In a first aspect, the present application provides a stud assembly, which adopts the following technical scheme:

the utility model provides a stud assembly, includes the equal screwed double-end stud in both ends, still includes lock washer, lock washer cup joints with double-end stud one end, lock washer is close to first one end by the connecting piece and is connected with the plug connector that is used for fixed lock washer, the plug connector with first by the cooperation of pegging graft of connecting piece, lock washer keeps away from first one end by the connecting piece and has seted up the fixed slot, the one end threaded connection that double-end stud is close to the fixed slot has first nut, first nut and fixed slot joint, the one end threaded connection that lock washer was kept away from to double-end stud has the second nut.

By adopting the technical scheme, the stop washer is sleeved with the stud, the connector clip and the fixed groove are further arranged, the connector clip can be connected with a first to-be-connected connector in an inserting mode to fix the stop washer, the fixed groove is connected with a first nut in a clamping mode to fix the first nut, when a worker installs the stud, the connector clip is firstly connected with the first to-be-connected connector in an inserting mode, the first nut is connected with the fixed groove in a clamping mode, then the stud sequentially penetrates through the second to-be-connected connector, the first to-be-connected connector, the stop washer and the first nut, the stud is connected with the first nut in a threaded mode, all the parts are fixed at the moment, the worker further arrives at the other end of the stud to connect the second nut in a threaded mode to the stud, the second to-be-connected connector is fixed, the stud.

Preferably, the stop washer has a bore diameter greater than the diameter of the stud.

By adopting the technical scheme, the aperture of the stop washer is larger than the diameter of the stud, so that the stud is not directly connected with the inner wall of the stop washer when the stud is in threaded connection with the first nut, and the damage to the threads on the stud is reduced.

Preferably, be provided with the first anti-loosening member that is used for stabilizing lock washer and stud on the stud, first anti-loosening member and stud threaded connection, one side that stud was kept away from to first locking member is with the inner wall butt of lock washer.

Through adopting above-mentioned technical scheme, because stud's diameter is less than the aperture of lock washer, the lock washer cover is on stud, the two easily receives the influence of vibrations and takes place relative slip or collide with in the in-service use process for lock washer and stud's surface produces the damage, one side and stud threaded connection of first anti-loosening spare, the other side supports with the inner wall of lock washer, can be closely connected lock washer and stud, reduce the relative displacement of the two, thereby reduce the surface damage of the two.

Preferably, the first anti-loosening element is a rubber pad.

Through adopting above-mentioned technical scheme, the rubber material is soft, and has elasticity, can store the deformation after the pressurized, produces contact pressure simultaneously, can make stud and lock washer closely laminate, reduces not hard up.

Preferably, the stud assembly further comprises a flat washer, the flat washer is sleeved with one end, far away from the stop washer, of the stud, one side of the flat washer is abutted to the second nut, and the other side of the flat washer is abutted to the second connected piece.

Through adopting above-mentioned technical scheme, one side and the second nut butt of plain washer, the opposite side is by the connecting piece butt with the second, can increase the area of contact of second nut and second by the connecting piece, and to the pressure of second by the pressure-bearing face of connecting piece when reducing second nut fastening stud to reduce the second by the surface damage of connecting piece.

Preferably, the aperture of the flat washer is larger than the diameter of the stud.

By adopting the technical scheme, the aperture of the flat washer is larger than the diameter of the stud, so that the stud is not directly connected with the inner wall of the flat washer when the stud is in threaded connection with the second nut, and the damage to the threads on the stud is reduced.

Preferably, be provided with the second anti-loosening member that is used for stabilizing plain washer and stud on the stud, second anti-loosening member and stud threaded connection, one side that stud was kept away from to the second anti-loosening member is with the inner wall butt of plain washer.

Through adopting above-mentioned technical scheme, because stud's diameter is less than the aperture of plain washer, the plain washer cover is on stud, the two easily receives the influence of vibrations and takes place relative slip or collide with in the in-service use process for plain washer and stud's surface produces the damage, one side and stud threaded connection of second anti-loosening piece, the opposite side is butt with the inner wall of plain washer, can be connected plain washer and stud closely, reduce the relative displacement of the two, thereby reduce the surface damage of the two.

Preferably, the second anti-loose element is a rubber pad.

Through adopting above-mentioned technical scheme, the rubber material is soft, and has elasticity, can store the deformation after the pressurized, produces contact pressure simultaneously, can make stud and plain washer closely laminate, reduces not hard up.

In a second aspect, the present application provides a plate heat exchanger, which adopts the following technical scheme:

the utility model provides a plate heat exchanger, includes that first by connecting piece, second by the connecting piece and press from both sides first by the heat exchanger fin between connecting piece and the second by the connecting piece, this plate heat exchanger still includes above-mentioned double-screw bolt subassembly, plug connector and first by the cooperation of pegging graft of connecting piece, the plug connector includes along first nut to the direction of second nut first grafting piece and the second grafting piece that sets gradually, second grafting piece and first grafting piece fixed connection, first by offering on the connecting piece and supplying first grafting piece male through-hole, offer on the lateral wall of through-hole and supply second grafting piece male breach.

Through adopting above-mentioned technical scheme, first grafting piece is pegged graft with the first through-hole by on the connecting piece, and the breach of seting up is pegged graft on the lateral wall of second grafting piece and through-hole for the plug connector is difficult for taking place the change of position after pegging graft by the connecting piece, fixes lock washer on first by the connecting piece with this, fastens first by the connecting piece, heat exchanger fin and second by the connecting piece according to the installation order of double-screw bolt subassembly again, can accomplish double-end stud and plate heat exchanger's installation, the simple operation, use manpower sparingly.

Preferably, the one end that the plain washer is close to the lock washer is connected with solid fixed ring, the second is offered on the connecting piece and is supplied solid fixed ring male recess, gu fixed ring and recess grafting cooperation.

Through adopting above-mentioned technical scheme, solid fixed ring is pegged graft with the recess on the second by the connecting piece and is cooperated to this flat gasket of fixable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a worker installs the stud, the plug connector is firstly plugged with the first connected piece, the first nut is clamped with the fixed groove, then the stud sequentially passes through the second connected piece, the first connected piece, the stop washer and the first nut, the stud is in threaded connection with the first nut, all the parts are fixed at the moment, the worker connects the second nut to the stud in a threaded manner from the other end of the stud, and the second connected piece is fixed, so that the installation of the stud and the connected piece can be conveniently completed, and the labor is saved;

2. one side of the flat washer is abutted to the second nut, and the other side of the flat washer is abutted to the second connected piece, so that the contact area between the second nut and the second connected piece can be increased, the pressure on the pressure-bearing surface of the second connected piece when the second nut fastens the stud is reduced, and the surface damage of the second connected piece is reduced;

3. the first anti-loosening element and the second anti-loosening element can be used for tightly connecting the stud with the flat washer and the stop washer, so that the relative displacement of all parts in the use process is reduced, and the surface damage of the stud assembly is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a stud assembly according to an embodiment of the present application;

FIG. 2 is an exploded view of the stud assembly shown in FIG. 1;

FIG. 3 is an assembly view of a stud assembly and plate heat exchanger according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

fig. 5 is an enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 100. a stud; 200. a stop washer; 210. a plug-in unit; 211. a first plug-in block; 212. a second insertion block; 220. fixing grooves; 230. a first anti-loosening element; 300. a flat washer; 310. a second anti-loosening element; 320. a fixing ring; 400. a first nut; 500. a second nut; 600. a first connected member; 610. a through hole; 700. a second connected member; 710. a groove; 800. a heat exchanger fin.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a stud assembly. Referring to FIG. 1, a stud assembly includes a stud 100, a stop washer 200 and a flat washer 300, the stop washer 200 being received in one end of the stud 100 and the flat washer 300 being received in the other end of the stud 100.

A first nut 400 is threadably attached to an end of the stud 100 proximal to the stop washer 200 and a second nut 500 is threadably attached to an end distal to the stop washer 200.

Referring to FIG. 2, the stop washer 200 has a bore diameter greater than the diameter of the stud 100. The retaining washer 200 is provided with a fixing groove 220 at a side thereof away from the flat washer 300, the fixing groove 220 has a size corresponding to that of the first nut 400, and the first nut 400 is engaged with the fixing groove 220. The plug 210 for fixing the stop washer 200 is welded to one side of the stop washer 200 close to the flat washer 300, and the plug 210 is clamped with the first connected member 600.

The flat washer 300 has a bore diameter greater than the diameter of the stud 100. The side of the flat washer 300 remote from the second attached member 700 abuts against the second nut 500.

In other embodiments, a first anti-release member 230 is disposed between the stud 100 and the stop washer 200, a second anti-release member 310 is disposed between the stud 100 and the flat washer 300, and both the first anti-release member 230 and the second anti-release member 310 are rubber pads. The first anti-loosening element 230 is threadedly coupled to the stud 100, and a side of the first anti-loosening element 230 remote from the stud 100 abuts an inner wall of the stop washer 200. One side of the second anti-release member 310 is threadedly coupled to the stud 100, and the side of the second anti-release member 310 remote from the stud 100 abuts against the inner wall of the flat washer 300.

The implementation principle of the stud assembly in the embodiment of the application is as follows: when installing the stud assembly, a worker inserts the plug 210 of the stop washer 200 into the corresponding through hole formed in the first connected member 600, places the first nut 400 in the fixing groove 220, sequentially passes the stud 100 through the second connected member 700, the first connected member 600 and the stop washer 200, and threadedly connects the stud 100 with the first nut 400.

Then, the flat washer 300 is fitted over the end of the stud bolt 100 close to the second coupled member 700, the flat washer 300 is brought into contact with the second coupled member 700, the second nut 500 is screwed to the stud bolt 100, and the second nut 500 is brought into contact with the flat washer 300. The stud 100 is completely installed with the first and second

connected components

600 and 700.

The embodiment of the application also discloses a plate heat exchanger. Referring to fig. 2 and 3, the plate heat exchanger further comprises the stud assembly as described above, including the first coupled member 600, the second coupled member 700, and the heat exchanger plate 800 sandwiched between the first coupled member 600 and the second coupled member 700.

Referring to fig. 3 and 4, the plug 210 includes a first plug 211 and a second plug 212, the first plug 211 is annular, and the second plug 212 is an arc ring having an arc of less than 360 degrees. One end of the second insertion block 212 is welded to the sidewall of the first insertion block 211, and the other end is fitted to the outer diameter of the stop washer 200.

The first connected member 600 is provided with a through hole 610 for inserting the first inserting block 211, the first inserting block 211 is inserted and matched with the through hole 610, the sidewall of the through hole 610 is provided with a gap for inserting the second inserting block 212, and the second inserting block 212 is inserted and matched with the gap.

Referring to fig. 3 and 5, a fixing ring 320 is welded at one end of the flat washer 300 close to the stopper washer 200, a groove 710 for inserting the fixing ring 320 is formed in the second connected member 700, and the fixing ring 320 is inserted into the groove 710.

The implementation principle of a plate heat exchanger of the embodiment of the application is as follows: when a worker installs the plate heat exchanger by using the stud assembly, the heat exchanger plate 800 is firstly clamped between the first connected member 600 and the second connected member 700, the first inserting block 211 is inserted into the through hole 610 of the first connected member 600, and the second inserting block 212 is inserted into the notch formed in the side wall of the through hole 610, so as to fix the stop washer 200. The first nut 400 is then placed in the fixation slot 220 and the stud 100 is threaded with the first nut 400 by passing the stud 100 through the groove 710 of the second coupled member 700, the through-hole 610 of the first coupled member 600, and the stop washer 200. The second coupled member 700 is then moved into abutment with the plate 800, the plate 800 is clamped tightly between the first coupled member 600 and the second coupled member 700, the flat washer 300 is inserted into the end of the stud 100 adjacent to the second coupled member 700, the retaining ring 320 is inserted into the groove 710 of the second coupled member 700, the second nut 500 is threaded onto the end of the stud 100 adjacent to the second coupled member 700, and the second nut 500 abuts against the flat washer 300. Therefore, the second connected piece 700, the first connected piece 600 and the heat exchange plate 800 are connected into a whole through the stud assembly, and the plate heat exchanger is installed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stud assembly comprising a stud (100) having threads on both ends, characterized in that: still include lock washer (200), lock washer (200) cup joint with stud (100) one end, lock washer (200) are close to first one end by connecting piece (600) and are connected with plug connector (210) that are used for fixed lock washer (200), plug connector (210) and first by connecting piece (600) cooperation of pegging graft, first one end by connecting piece (600) is seted up fixed slot (220) is kept away from in lock washer (200), stud (100) are close to one end threaded connection of fixed slot (220) have first nut (400), first nut (400) and fixed slot (220) joint, the one end threaded connection that lock washer (200) were kept away from in stud (100) has second nut (500).

2. The stud assembly of claim 1, wherein: the stop washer (200) has a bore diameter greater than the diameter of the stud (100).

3. The stud assembly of claim 2, wherein: the double-end stud (100) is provided with a first anti-loosening piece (230) used for stabilizing the stop washer (200) and the double-end stud (100), the first anti-loosening piece (230) is in threaded connection with the double-end stud (100), and one side, away from the double-end stud (100), of the first anti-loosening piece (230) is abutted to the inner wall of the stop washer (200).

4. A stud assembly according to claim 3, wherein: the first anti-loosening element (230) is a rubber pad.

5. The stud assembly of claim 1, wherein: the stud assembly further comprises a flat washer (300), the flat washer (300) is sleeved with one end, away from the stop washer (200), of the stud (100), one side of the flat washer (300) is abutted to the second nut (500), and the other side of the flat washer is abutted to the second connected piece (700).

6. The stud assembly of claim 5, wherein: the bore diameter of the flat washer (300) is larger than the diameter of the stud (100).

7. The stud assembly of claim 6, wherein: be provided with on stud (100) and be used for stabilizing flat washer (300) and second anti-loosening member (310) of stud (100), second anti-loosening member (310) and stud (100) threaded connection, one side that stud (100) were kept away from in second anti-loosening member (310) and the inner wall butt of flat washer (300).

8. The stud assembly of claim 7, wherein: the second anti-loosening element (310) is a rubber pad.

9. A plate heat exchanger comprising a first attached member (600), a second attached member (700), and a heat exchanger plate (800) sandwiched between the first attached member (600) and the second attached member (700), characterized in that: the plate heat exchanger further comprises the stud component as claimed in claim 5 or 6, the plug connector (210) is in plug fit with the first connected piece (600), the plug connector (210) comprises a first plug block (211) and a second plug block (212) which are sequentially arranged along the direction from the first nut (400) to the second nut (500), the second plug block (212) is fixedly connected with the first plug block (211), a through hole (610) for the first plug block (211) to be inserted is formed in the first connected piece (600), and a gap for the second plug block (212) to be inserted is formed in the side wall of the through hole (610).

10. A plate heat exchanger according to claim 9, wherein: one end that plain washer (300) are close to lock washer (200) is connected with solid fixed ring (320), offer on the second by connecting piece (700) and supply solid fixed ring (320) male recess (710), gu fixed ring (320) and recess (710) cooperation of pegging graft.