Reciprocating compressor piston rod

Abstract

The utility model relates to the technical field of compressors, in particular to a reciprocating compressor piston rod which comprises a machine shell, a fixing piece and a supporting rod, a rod body is arranged in the machine shell, a movable groove is formed in one side of the outer wall of the rod body, a heat exchange groove is formed in one side of the upper end of the inner wall of the movable groove, and the fixing piece is arranged on one side of the inner wall of the machine shell. And a supporting rod is installed in the fixing piece, heat exchange channels are formed in the outer walls of the two sides of the supporting rod, heat exchange cooling can be conducted, effective heat dissipation of the piston rod in the working process is facilitated, the service life is prolonged, and the working efficiency of the compressor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reciprocating compressor piston rod belongs to the technical field of compressor. BACKGROUND

[0002] Reciprocating compressor is a kind of equipment that realizes gas compression and delivery by the reciprocating movement of piston or diaphragm in cylinder, and the working principle of reciprocating compressor is based on volume change. When the piston moves downward, the volume in cylinder increases, forming negative pressure, thereby inhaling gas. Subsequently, the piston moves upward, and the volume of cylinder decreases, so that the gas is compressed and discharged. The reciprocating compressor piston rod is a kind of key component, which connects the piston and the cross head, and realizes the compression and delivery of gas through reciprocating movement.

[0003] The utility model discloses a reciprocating compressor piston rod discloses a reciprocating compressor piston rod, including the piston rod main part installed in the compressor main body, the piston rod main part inside is hollow structure, the piston rod main part is provided with liquid inlet chamber and liquid outlet chamber, the bottom of liquid inlet chamber is located in the inside of liquid outlet chamber, the top inner wall of liquid inlet chamber is movably connected with upper plug body, and the top inner wall of liquid outlet chamber is movably connected with lower plug body, the top inner diameter of liquid outlet chamber is less than the diameter of lower plug body, and the top of upper plug body is fixed with upper guide rod through screw, the outer wall of the top of liquid inlet chamber is welded with support, and upper guide rod is slidably connected to the inner wall of support. The utility model discloses a liquid outlet chamber, liquid inlet chamber and other structures, which can utilize the reciprocating movement of piston rod main body, drive the displacement of upper plug body and liquid outlet chamber, thereby pumping the cooling liquid in liquid inlet pipe and liquid outlet pipe, realizing the circulating cooling of cooling liquid, and the circulating speed of cooling liquid can be changed based on the frequency of piston rod main body movement, thereby ensuring the cooling effect.

[0004] The prior art CN212563576U has many benefits in use, but still has the following problems. The service life of the cooling mechanism is not perfect. The infusion tube moves with the piston rod, which causes the infusion tube to move repeatedly. The structure strength of the infusion tube is affected by repeated deformation, which causes the infusion tube to be easily aged and damaged, and the service life of the infusion tube is low. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a reciprocating compressor piston rod.

[0006] The utility model discloses a reciprocating compressor piston rod, including the casing, fixed part and support rod, the casing is provided with the rod body in the inside, the movable slot is seted up in the rod body outer wall one side, the movable slot inner wall upper end one side is seted up the heat exchange groove, the casing inner wall one side is provided with fixed part, the support rod is installed in the fixed part inside, the support rod both sides outer wall all are seted up the heat exchange channel.

[0007] Through adopting the above technical scheme, the movable slot gives the fixed part the activity space, so that when the rod body is vertically moved by the rocker arm of the lower end, the rod body can vertically move outside the fixed part through the movable slot, and the cooling liquid in the heat exchange groove can be heat exchanged and cooled, which helps the piston rod effectively dissipate heat in the working process, prolongs the service life, improves the working efficiency of the compressor, and ensures the structural strength of the rod body.

[0008] Specifically, the rod body upper end outer wall is provided with a piston body, and the rod body lower end outer wall is provided with a connecting piece.

[0009] Through adopting the above technical scheme, the rod body can be connected with the rocker arm matched with the casing inside through the connecting piece, so that the movement of the rocker arm can push the push lever and the piston body to vertically move, ensuring the stability and accuracy of the rod body in reciprocating motion, and the existence of the piston body ensures the normal compression function of the compressor, so that a complete working system can be formed.

[0010] Specifically, the fixed part is internally provided with a plurality of bolts arranged in a rectangular array, and the fixed part is connected with the inner wall of the casing through the bolts.

[0011] Through adopting the above technical scheme, the bolts enhance the stability and firmness of the fixed part, so that the support rod can be more stably installed in the casing. The bolts arranged in a rectangular array also improve the uniformity and force balance of the connection, and the bolts can realize the disassembly of the rod body and the casing inside.

[0012] Specifically, the heat exchange grooves are designed in a through type, and the inner walls of the two heat exchange grooves are both provided with a one-way valve at the upper end.

[0013] Through adopting the above technical scheme, the cooling liquid can flow smoothly in the heat exchange channel, so that the cooling liquid can flow into the heat exchange groove and effectively take away the heat accumulated in the piston body and the rod body, and the existence of the one-way valve ensures the flow direction of the cooling liquid, avoids the reduction of heat exchange efficiency caused by backflow, ensures the upward flow of the cooling liquid in one side of the heat exchange channel, and the downward flow of the cooling liquid in the other side of the heat exchange channel, so that when the rod body vertically moves, the cooling liquid can circulate in the heat exchange groove due to the stable position of the support rod, and the piston body and the rod body are provided with continuous cooling effect, ensuring the cooling effect of the piston body and the rod body.

[0014] Specifically, the liquid inlet pipe is inserted and connected to one side of the outer wall of the lower end of the support rod and communicates with the inside of the heat exchange channel.

[0015] By adopting the above technical scheme, the liquid inlet pipe is installed through the end of the support rod away from the shell, so that the external cooling mechanism can be connected with the liquid inlet pipe and the liquid outlet pipe, the cooling liquid generated by the cooling mechanism can enter the inside of the heat exchange channel through the liquid inlet pipe, and the cooling liquid can finally enter the inside of the heat exchange tank, thereby achieving cooling and temperature reduction of the rod body.

[0016] Specifically, the liquid outlet pipe is inserted and connected to one side of the outer wall of the lower end of the support rod and communicates with the inside of the heat exchange channel.

[0017] By adopting the above technical scheme, the cooling liquid can be discharged in time through the liquid outlet pipe after completing heat exchange, thereby avoiding reduction of heat exchange efficiency or damage of the equipment due to liquid accumulation, and the cooling liquid can finally flow back to the inside of the cooling mechanism for recooling.

[0018] Specifically, the sealing ring is arranged on one side of the upper end of the outer wall of the support rod and located in the inside of the heat exchange tank and in contact with the inner wall of the heat exchange tank.

[0019] By adopting the above technical scheme, the sealing ring effectively prevents the cooling liquid from leaking out of the heat exchange tank, thereby ensuring the efficiency and safety of heat exchange, and the sealing ring and the support rod can force the cooling liquid in the inside of the heat exchange tank to flow, so that the relative movement of the rod body and the support rod can realize automatic circulation of the cooling liquid and ensure the heat exchange rate.

[0020] The beneficial effects of the utility model are as follows:

[0021] (1) The reciprocating compressor piston rod can make the support rod be more stably installed in the shell, the bolts in the rectangular array distribution can improve the uniformity and force balance of connection, can not improve the stability of the use position of the rod body in the inside of the shell, and can realize disassembly of the rod body and the inside of the shell through the bolts.

[0022] (2) The reciprocating compressor piston rod can make the cooling liquid in the inside of the heat exchange tank be heat exchanged and cooled, can effectively dissipate heat of the piston rod in the working process, prolong the service life, and improve the working efficiency of the compressor. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model will be further described in connection with the drawings and examples.

[0024] Figure 1 It is the shell structure section view schematic drawing of the utility model;

[0025] It is the shell structure section view schematic drawing of the utility model;Figure 2 It is a support rod structure sectional exploded schematic view of the utility model.

[0026] Figure 3 It is a support rod structure enlarged schematic view of the utility model.

[0027] Figure 4 It is a support rod structure sectional exploded schematic view of the utility model.

[0028] In the figure: 1, the casing; 11, the rod body; 12, the connecting piece; 13, the piston body; 14, the movable slot; 15, the heat exchange groove; 2, the fixed part; 21, the support rod; 22, the liquid inlet pipe; 23, the liquid outlet pipe; 24, the sealing ring; 25, the heat exchange channel; 26, the check valve. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0030] In order to save manpower and improve efficiency, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The utility model discloses a reciprocating compressor piston rod, which comprises a casing 1, a fixed part 2 and a support rod 21.

[0031] When in use, the movable slot 14 gives the fixed part 2 a movable space, so that when the rod body 11 is vertically moved by being driven by the lower end rocker arm, the rod body 11 can be vertically moved outside the fixed part 2 through the movable slot 14, and the cooling liquid in the heat exchange groove 15 can be used for heat exchange cooling, which is helpful for effectively dissipating heat of the piston rod during the working process, prolonging the service life, improving the working efficiency of the compressor, and guaranteeing the structural strength of the rod body 11.

[0032] In order to compress, as shown in Figure 1 The upper end outer wall of the rod body 11 is provided with a piston body 13, and the lower end outer wall of the rod body 11 is provided with a connecting piece 12.

[0033] In use, the rod body 11 can be connected with the rocker arm matched with the inside of the shell 1 through the connecting piece 12, so that the movement of the rocker arm can push the push lever and the piston body 13 to move vertically, ensuring the stability and accuracy of the rod body 11 in reciprocating motion, and the presence of the piston body 13 ensures the normal compression function of the compressor, so that it can form a complete working system.

[0034] In order to fix the use position, for example, as shown in Figure 2 The fixing piece 2 is internally provided with a rectangular array of bolts, and the fixing piece 2 is connected with the inner wall of the shell 1 through the bolts.

[0035] In use, the bolts enhance the stability and firmness of the fixing piece 2, so that the support rod 21 can be more stably installed in the shell 1. The rectangular array of bolts also improves the uniformity and force balance of the connection, and the bolts can realize the disassembly of the rod body 11 and the inside of the shell 1.

[0036] In order to, for example, as shown in the figure, the heat exchange tank 15 adopts a through design, and the inner wall of each heat exchange tank 15 is provided with a one-way valve 26.

[0037] In use, the cooling liquid can flow smoothly in the heat exchange channel 25, so that the cooling liquid can flow into the heat exchange tank 15, effectively taking away the heat accumulated in the piston body 13 and the rod body 11, and the presence of the one-way valve 26 ensures the flow direction of the cooling liquid, avoids the reduction of heat exchange efficiency caused by backflow, and ensures that the cooling liquid in one side of the heat exchange channel 25 flows upward, while the cooling liquid in the other side of the heat exchange channel 25 flows downward, so that when the rod body 11 moves vertically, the position of the support rod 21 is stable, and the cooling liquid can circulate in the heat exchange tank 15 by cooperating with the sealing ring 24 and the heat exchange channel 25, providing continuous cooling effect for the piston body 13 and the rod body 11, and ensuring the cooling effect of the piston body 13 and the rod body 11.

[0038] In order to enter the liquid, for example, as shown in Figure 4 The lower end of the support rod 21 is provided with a liquid inlet pipe 22, and the liquid inlet pipe 22 is connected with the inside of the heat exchange channel 25.

[0039] In use, the end of the liquid inlet pipe 22 away from the support rod 21 is installed in the shell 1, so that the external cooling mechanism can be connected with the liquid inlet pipe 22 and the liquid outlet pipe 23, and the cooling liquid generated by the cooling mechanism can enter the inside of the heat exchange channel 25 through the liquid inlet pipe 22, and finally enter the inside of the heat exchange tank 15, realizing the cooling and cooling of the rod body 11.

[0040] In order to discharge the liquid, for example, as shown in Figure 4As shown, the lower end of the support rod 21 is inserted and connected with the outer wall of one side of the drain pipe 23, and the drain pipe 23 is connected with the inside of the heat exchange channel 25.

[0041] In use, the cooling liquid can be discharged in time after completing heat exchange through the drain pipe 23, avoiding the reduction of heat exchange efficiency or the damage of the equipment caused by the accumulated liquid, and the cooling liquid is finally returned to the inside of the cooling mechanism for recooling.

[0042] For sealing, for example, as shown, Figure 3 As shown, the upper end of the outer wall of the support rod 21 is provided with a sealing ring 24, the sealing ring 24 is located in the inside of the heat exchange groove 15, and the sealing ring 24 is in contact with the inner wall of the heat exchange groove 15.

[0043] In use, the sealing ring 24 effectively prevents the cooling liquid from leaking out of the heat exchange groove 15, ensuring the efficiency and safety of heat exchange, and the sealing ring 24 and the support rod 21 can force the cooling liquid in the inside of the heat exchange groove 15 to flow, so that the relative movement of the rod body 11 and the support rod 21 can realize the automatic circulation of the cooling liquid, ensuring the heat exchange rate.

[0044] In use, the rod body 11 is connected with the rocker arm matched with the inside of the shell 1 through the connecting piece 12, and the movement of the rocker arm can push the rod body 11 and the piston body 13 to vertically move;

[0045] The external cooling mechanism is connected with the liquid inlet pipe 22 and the drain pipe 23, when the compressor starts to work, the rocker arm starts to move under the driving of external power, the movement of the rocker arm pushes the rod body 11 and the piston body 13 to vertically move in the inside of the shell 1, in the process of the vertical upward movement of the rod body 11, the inside of the heat exchange groove 15 is drawn due to the sealing ring 24, so that the inside of the heat exchange groove 15 presents a negative pressure state, therefore the cooling liquid can enter the inside of the heat exchange channel 25 through the liquid inlet pipe 22 and flow into the heat exchange groove 15, due to the existence of the one-way valve 26, the cooling liquid forms a circulation flow in the inside of the heat exchange groove 15, effectively taking away the heat accumulated in the inside of the piston body 13 and the rod body 11.

[0046] With the vertical movement of the rod body 11 reset, the position of the support rod 21 remains stable, therefore the sealing ring 24 moves relatively in the inside of the heat exchange groove 15, and squeezes out the cooling liquid in the inside of the heat exchange groove 15, so that the cooling liquid is discharged through the one-way valve 26, the heat exchange channel 25 and the drain pipe 23, and returns to the inside of the external cooling mechanism.

[0047] It should be noted that the utility model is a reciprocating compressor piston rod, the components in the utility model are components known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0048] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A reciprocating compressor piston rod characterized by, The utility model relates to a heat exchange device, including casing (1), fixed part (2) and support rod (21), the inside of casing (1) is provided with rod body (11), the outer wall one side of rod body (11) is seted up with movable slot (14), the inner wall upper end one side of movable slot (14) is seted up with heat exchange groove (15), the inner wall one side of casing (1) is provided with fixed part (2), the inside of fixed part (2) is installed with support rod (21), the both sides outer wall of support rod (21) all are seted up with heat exchange channel (25).

2. A reciprocating compressor piston rod as claimed in claim 1, characterized in that The outer wall of the upper end of the rod body (11) is provided with a piston body (13), and the outer wall of the lower end of the rod body (11) is provided with a connecting piece (12).

3. A reciprocating compressor piston rod as claimed in claim 1, characterized in that The inside of the fixed part (2) is provided with a rectangular array of bolts, and the fixed part (2) is connected with the inner wall of the casing (1) by the bolts.

4. A reciprocating compressor piston rod as claimed in claim 1, characterized in that The heat exchange groove (15) adopts a through design, and the inner wall of each of the two heat exchange grooves (15) is provided with a one-way valve (26) at the upper end.

5. A reciprocating compressor piston rod as claimed in claim 1, wherein, The outer wall of the lower end of the support rod (21) is inserted and connected with a liquid inlet pipe (22) on one side, and the liquid inlet pipe (22) is in communication with the inside of the heat exchange channel (25).

6. A reciprocating compressor piston rod as claimed in claim 1, characterized in that The outer wall of the lower end of the support rod (21) is inserted and connected with a liquid outlet pipe (23) on one side, and the liquid outlet pipe (23) is in communication with the inside of the heat exchange channel (25).

7. A reciprocating compressor piston rod as claimed in claim 1, characterized in that The outer wall of the upper end of the support rod (21) is provided with a sealing ring (24) on one side, the sealing ring (24) is located in the heat exchange groove (15), and the sealing ring (24) is in contact with the inner wall of the heat exchange groove (15).

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