A kind of PH probe fixed protection sleeve

Abstract

The utility model discloses a PH probe fixing protection sleeve, which relates to the technical field of PH probe protection. The utility model comprises a measuring tank, a mounting plate is arranged at the top of the measuring tank, a protection device is arranged at the bottom end of the connecting rod, the protection device comprises a screw, a nut is fixedly connected to the bottom end of the screw, two first nuts are sleeved on the outer surface of the screw, and first connecting plates are sleeved on the outer surfaces of the two first nuts, wherein the top end of the lower first connecting plate is fixedly connected with four connecting sleeves distributed in a rectangular array, wherein the top end of the upper first connecting plate is threadedly inserted with four second plug rods distributed in a rectangular array, and two first through grooves are provided on the outer surfaces of the two first connecting plates. The PH probe fixing protection sleeve provided by the utility model can prevent the probe from being damaged by the impact force of the water flow when measuring the PH value, and can quickly install and disassemble the probe and the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of PH probe protection, in particular to a PH probe fixing protection sleeve. Background Art

[0002] Most pH probes are fixed to the pipe with external threads, and the lead wires are connected to the secondary meter. In order to measure the pH value of the liquid in the pool, brand manufacturers provide the pH probe with a stainless steel protective sleeve for measurement operations.

[0003] However, the prior art still has the following problems:

[0004] First of all, many pH probes on the market are easily damaged by the impact of water flow when used to measure pH value in the pool. The probes cannot be effectively protected and will be affected by water flow, bubbles, fish, aquatic plants, etc., and the practical effect is very poor.

[0005] Secondly, the connection device of the PH probe needs to connect and install the PH probe fixing protection sleeve on the workpiece when working, but the existing PH probes on the market cannot be quickly installed and disassembled from the workpiece, which seriously affects the working efficiency of the PH probe.

[0006] In view of the above problems, the inventor proposes a PH probe fixing protection sleeve to solve the above problems. Utility Model Content

[0007] In order to solve the problems that the PH probe is easily damaged by the impact force of water flow when measuring the PH value and the PH probe cannot be quickly installed and disassembled with the workpiece; the purpose of the utility model is to provide a PH probe fixing protection sleeve.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a PH probe fixing protective sleeve, comprising a measuring tank, a mounting plate is provided at the top of the measuring tank, a shell is fixedly connected to the top of the mounting plate, four snap devices distributed in a circular array are provided on the outer surface of the mounting plate, a base is penetrated and connected to the bottom end of the shell, a shaft head is fixedly connected to the bottom end of the base, a connecting rod is fixedly connected to the bottom end of the shaft head, six first plug rods distributed in a circular array are inserted on the outer surface of the shaft head, and one end of the six first plug rods respectively penetrates the outer surface of the shaft head and extends to the outer surface of the connecting rod The upper surface, the bottom end of the connecting rod is provided with a second thread groove used in conjunction with the screw, the lower inner wall of the connecting rod is fixedly connected to the probe assembly, the screw and one end of the nut are jointly provided with a through third through groove, the inner wall of the third through groove is in contact with the outer surface of the probe assembly, the bottom end of the connecting rod is provided with a protective device, the protective device includes a screw, the bottom end of the screw is fixedly connected to the nut, the outer surface of the screw is sleeved with two first nuts, the outer surfaces of the two first nuts are sleeved with a first connecting plate, wherein the top end of the lower first connecting plate is fixedly connected with four rectangular array A connecting sleeve distributed in a row, wherein the top end of the upper first connecting plate is threadedly inserted with four second plug rods distributed in a rectangular array, the outer surfaces of the two first connecting plates are provided with two first through grooves, the inner surfaces of the two first through grooves are provided with pull rods, the outer surfaces of the two pull rods are sleeved with second springs, one end of the two second springs is fixedly connected to the inner wall of one side of the first through groove, one end of the two second springs is fixedly connected to the limiting plate, one end of the two pull rods is fixedly connected to the pull plate, the outer surface of the screw is sleeved with the first fixing plate and the second fixing plate, the first fixing plate and the first The inner walls of the two fixed plates are fixedly connected with the first clamping plate, the inner walls of the first and second fixed plates are fixedly connected with the second clamping plate, both sides of the first fixed plate are rotatably connected with protection plates, both sides of the second fixed plate are provided with limiting grooves, the upper parts of one ends of the two protection plates are respectively fitted with the inner walls of the limiting grooves, the outer surface of the screw rod is provided with a first clamping groove used in conjunction with the first clamping plate, the outer surface of the screw rod is provided with a second clamping groove used in conjunction with the second clamping plate, the outer surface of the first clamping plate is fitted with the inner wall of the first clamping groove, and the outer surface of the second clamping plate is fitted with the inner wall of the second clamping groove.

[0009] Preferably, the buckle device includes four sleeves, and the four sleeves are distributed in a circular array, one end of the four sleeves respectively passes through one end of the mounting plate, the inner walls of the four sleeves are fixedly connected with a plurality of first springs, one end of every three first springs on the same vertical side are commonly fixedly connected with a second connecting plate, the inner walls of the four second connecting plates are commonly inserted with hidden bolts, the inner walls of the four second connecting plates are provided with first thread grooves for matching with the hidden bolts, the hidden bolts are used in conjunction with the threads of the first thread grooves, the outer surfaces of the four second connecting plates are fixedly connected with three limit rods, the outer surface of the sleeves is provided with a plurality of holes, and the outer surfaces of the limit rods fit with the inner walls of the holes.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The utility model can prevent the impact force from being reduced when the water flows into the inner wall of the third through groove, and the probe assembly from contacting the water flow, thereby achieving the purpose of preventing the pH probe from being damaged by the impact force of the water flow when measuring the pH value.

[0012] 2. The utility model can fix the probe and the workpiece respectively by squeezing the limit rod with concealed bolts, thereby achieving the purpose of quickly installing and disassembling the probe and the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the cutaway structure of the utility model.

[0016] Figure 3 It is a partial structural schematic diagram of the utility model.

[0017] Figure 4 This is a schematic diagram of the protective device and the connecting rod of the utility model.

[0018] Figure 5 This is an exploded view of the protective device of the utility model.

[0019] Figure 6 This is an exploded view of the protective device of the utility model from another perspective.

[0020] Figure 7It is an exploded view of part of the structure of the protection device of the utility model.

[0021] Figure 8 It is a schematic diagram of the protection device of the utility model.

[0022] Fig. 9 It is a partial structural schematic diagram of the protection device of the utility model.

[0023] Fig.10 It is a schematic diagram of the buckle device of the utility model.

[0024] In the figure: 1, measuring tank; 2, mounting plate; 3, housing; 4, buckle device; 5, base; 6, shaft head; 7, connecting rod; 8, protection device; 9, first plug rod; 41, sleeve; 42, first spring; 43, second connecting plate; 44, limit rod; 45, hole; 46, concealed bolt; 47, first thread groove; 801, screw rod; 802, nut; 803, second slot; 804, first slot; 805, probe assembly ; 806, third through groove; 807, second thread groove; 808, first nut; 809, first connecting plate; 810, connecting sleeve; 811, second plug rod; 812, first through groove; 813, pull rod; 814, second spring; 815, limit plate; 816, pull plate; 817, first fixed plate; 818, first clamping plate; 819, second clamping plate; 820, protection plate; 821, limit groove; 822, second fixed plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1: Figure 1-10As shown, the utility model provides a PH probe fixing protection sleeve, including a measuring tank 1, a mounting plate 2 is provided at the top of the measuring tank 1, a shell 3 is fixedly connected to the top of the mounting plate 2, four snap devices 4 distributed in a ring array are provided on the outer surface of the mounting plate 2, a base 5 is penetrated and connected to the bottom end of the shell 3, a shaft head 6 is fixedly connected to the bottom end of the base 5, a connecting rod 7 is fixedly connected to the bottom end of the shaft head 6, six first plug rods 9 distributed in a ring array are inserted on the outer surface of the shaft head 6, and one end of the six first plug rods 9 respectively penetrates the outer surface of the shaft head 6 The connecting rod 7 is provided with a protective device 8 at the bottom end thereof, the protective device 8 comprising a screw 801, a nut 802 being fixedly connected to the bottom end of the screw 801, a second thread groove 807 for use with the screw 801 being provided at the bottom end of the connecting rod 7, a probe assembly 805 being fixedly connected to the lower inner wall of the connecting rod 7, a third through groove 806 being provided at one end of the screw 801 and the nut 802, the inner wall of the third through groove 806 being in contact with the outer surface of the probe assembly 805, and the outer surface of the screw 801 being sleeved. There are two first nuts 808, the outer surfaces of the two first nuts 808 are sleeved with first connecting plates 809, wherein the top of the lower first connecting plate 809 is fixedly connected with four connecting sleeves 810 distributed in a rectangular array, wherein the top of the upper first connecting plate 809 is threadedly inserted with four second plug rods 811 distributed in a rectangular array, the outer surfaces of the two first connecting plates 809 are provided with two first through grooves 812, the inner surfaces of the two first through grooves 812 are provided with pull rods 813, and the outer surfaces of the two pull rods 813 are sleeved with second Spring 814, one end of the two second springs 814 are fixedly connected to the inner wall of one side of the first through slot 812, one end of the two second springs 814 are fixedly connected to the limiting plate 815, one end of the two pull rods 813 are fixedly connected to the pull plate 816, the two protective plates 820 connected to the first fixed plate 817 are rotated respectively, the outer surfaces of the two protective plates 820 and the inner wall of the limiting slot 821 are pulled to pull the limiting plates 815 respectively, the movement of the limiting plates 815 drives the pull rod 813 to move, and the movement of the pull rod 813 drives the pull plate 816 to move;

[0027] The outer surface of the screw 801 is sleeved with a first fixing plate 817 and a second fixing plate 822, the inner walls of the first fixing plate 817 and the second fixing plate 822 are fixedly connected with a first clamping plate 818, the inner walls of the first fixing plate 817 and the second fixing plate 822 are fixedly connected with a second clamping plate 819, the outer surface of the screw 801 is provided with a first clamping groove 804 used in conjunction with the first clamping plate 818, the outer surface of the screw 801 is provided with a second clamping groove 803 used in conjunction with the second clamping plate 819, the outer surface of the first clamping plate 818 It fits with the inner wall of the first card slot 804, and the outer surface of the second card plate 819 fits with the inner wall of the second card slot 803. The first fixed plate 817 is rotatably connected to the protection plates 820 on both sides. The second fixed plate 822 is provided with limiting grooves 821 on both sides. The upper part of one end of the two protection plates 820 fits with the inner wall of the limiting groove 821 respectively. The two protection plates 820 rotatably connected to the first fixed plate 817 are rotated respectively, and the outer surfaces of the two protection plates 820 are stuck in the inner wall of the limiting groove 821 to make them more secure.

[0028] The buckle device 4 includes four sleeves 41, which are distributed in a circular array. One end of the four sleeves 41 passes through one end of the mounting plate 2 respectively. A plurality of first springs 42 are fixedly connected to the inner walls of the four sleeves 41. One end of each of the three first springs 42 on the same vertical side is commonly fixedly connected to a second connecting plate 43. The outer surfaces of the four second connecting plates 43 are fixedly connected to three limiting rods 44. A plurality of holes 45 are provided on the outer surface of the sleeve 41. The outer surface of the limiting rod 44 fits the inner wall of the hole 45. The four second connecting plates 43 move toward the inner wall of the sleeve 41 together. The first spring 42 is compressed and deformed due to the force, and the second connecting plate 43 drives the limiting rod 44 to move toward the inner wall of the hole 45.

[0029] The inner walls of the four second connecting plates 43 are jointly inserted with concealed bolts 46 , and the inner walls of the four second connecting plates 43 are each provided with first thread grooves 47 for use with the concealed bolts 46 . The concealed bolts 46 cooperate with the first thread grooves 47 to expand the four second connecting plates 43 .

[0030] Working principle: When the PH probe needs to be installed on the workpiece, the concealed bolts 46 are respectively installed between the four second connecting plates 43. The concealed bolts 46 are used in conjunction with the first threaded grooves 47. The concealed bolts 46 expand the four second connecting plates 43. The four second connecting plates 43 move toward the inner wall of the casing 41 together. The first spring 42 is compressed and deformed due to the force. The second connecting plate 43 drives the limiting rod 44 to move toward the inner wall of the hole 45. The outer surface of the second limiting rod 44 fits with the hole 45. The four limiting rods 44 on the same horizontal plane fix the probe and the workpiece respectively.

[0031] When the PH probe needs to be disassembled, the concealed bolts 46 are removed, and the limiting rods 44 are pressed respectively. When the outer surface of the limiting rods 44 falls off from the inner wall of the hole 45, the PH probe and the workpiece are separated, thereby achieving the purpose of quickly installing and disassembling the PH probe and the workpiece;

[0032] The first fixing plate 817 is rotated respectively to rotate the two connected protection plates 820, and the outer surfaces of the two protection plates 820 are stuck in the inner wall of the limiting groove 821 to make it more secure, and the limiting plates 815 are pulled respectively, and the movement of the limiting plates 815 drives the pull rod 813 to move, and the movement of the pull rod 813 drives the pull plate 816 to move, and when the pull plate 816 moves, it drives the second spring 814 to compress and deform, and the nut 802 is rotated to drive the screw rod 801 to enter the inner wall of the second thread groove 807 opened by the connecting rod 7, and the outer surface of the probe assembly 805 will enter the inner wall of the third through groove 806 opened by the screw rod 801 and the nut 802, and the two limiting plates 815 are loosened, and the two pull rods 813 can limit the movement of the protection plates 820, so that the two first nuts 808 are better and more stably fixed on the outer surface of the screw 801;

[0033] When the water flows into the inner wall of the third through groove 806, the impact force will be reduced, and the probe assembly 805 will contact the water flow, thereby achieving the purpose of preventing the pH probe from being damaged by the impact force of the water flow when measuring the pH value.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A pH probe fixing protective sleeve, comprising a measuring tank (1), characterized in that: The top of the measuring tank (1) is provided with a mounting plate (2), the top of the mounting plate (2) is fixedly connected to a shell (3), the outer surface of the mounting plate (2) is provided with four snap-fit ​​devices (4) distributed in a ring array, the bottom end of the shell (3) is penetrated and connected with a base (5), the bottom end of the base (5) is fixedly connected to a shaft head (6), the bottom end of the shaft head (6) is fixedly connected to a connecting rod (7), and the bottom end of the connecting rod (7) is provided with a protective device (8); The protection device (8) comprises a screw rod (801), the bottom end of which is fixedly connected to a nut (802), the outer surface of the screw rod (801) is sleeved with two first nuts (808), the outer surfaces of the two first nuts (808) are sleeved with a first connecting plate (809), wherein the top end of the lower first connecting plate (809) is fixedly connected to four connecting sleeves (810) distributed in a rectangular array, and the top end of the upper first connecting plate (809) is threadedly inserted with four second plug rods (811) distributed in a rectangular array.

2. A PH probe fixing protection sleeve as claimed in claim 1, characterized in that: The buckle device (4) comprises four sleeves (41), the four sleeves (41) are distributed in a ring array, one end of the four sleeves (41) respectively penetrates one end of the mounting plate (2), the inner walls of the four sleeves (41) are fixedly connected with a plurality of first springs (42), one end of each of the three first springs (42) on the same vertical side are commonly fixedly connected with a second connecting plate (43), the outer surfaces of the four second connecting plates (43) are fixedly connected with three limiting rods (44), the outer surface of the sleeve (41) is provided with a plurality of holes (45), and the outer surface of the limiting rod (44) is in contact with the inner wall of the hole (45).

3. A PH probe fixing protection sleeve as claimed in claim 1, characterized in that: Two first through grooves (812) are provided on the outer surfaces of the two first connecting plates (809), and pull rods (813) are provided on the inner surfaces of the two first through grooves (812). Second springs (814) are sleeved on the outer surfaces of the two pull rods (813), and one end of the two second springs (814) is fixedly connected to the inner wall of one side of the first through groove (812), one end of the two second springs (814) is fixedly connected to a limiting plate (815), and one end of the two pull rods (813) is fixedly connected to a pull plate (816).

4. A PH probe fixing protection sleeve as claimed in claim 1, characterized in that: The outer surface of the screw rod (801) is sleeved with a first fixing plate (817) and a second fixing plate (822); the inner walls of the first fixing plate (817) and the second fixing plate (822) are fixedly connected with a first clamping plate (818); the inner walls of the first fixing plate (817) and the second fixing plate (822) are fixedly connected with a second clamping plate (819); both sides of the first fixing plate (817) are rotatably connected with protection plates (820); both sides of the second fixing plate (822) are provided with limiting grooves (821); the upper parts of one ends of the two protection plates (820) are respectively in contact with the inner walls of the limiting grooves (821).

5. A pH probe fixing protective sleeve as claimed in claim 1, characterized in that: The outer surface of the screw rod (801) is provided with a first slot (804) for use with a first clip plate (818), and the outer surface of the screw rod (801) is provided with a second slot (803) for use with a second clip plate (819). The outer surface of the first clip plate (818) is in contact with the inner wall of the first slot (804), and the outer surface of the second clip plate (819) is in contact with the inner wall of the second slot (803).

6. A pH probe fixing protection sleeve as claimed in claim 1, characterized in that: The outer surface of the shaft head (6) is provided with six first insertion rods (9) distributed in a circular array, and one end of the six first insertion rods (9) respectively penetrates the outer surface of the shaft head (6) and extends to the upper outer surface of the connecting rod (7).

7. A pH probe fixing protection sleeve as claimed in claim 2, characterized in that: The inner walls of the four second connection plates (43) are commonly inserted with concealed bolts (46), and the inner walls of the four second connection plates (43) are each provided with a first thread groove (47) used in conjunction with the concealed bolts (46).

8. A pH probe fixing protective sleeve as claimed in claim 1, characterized in that: The bottom end of the connecting rod (7) is provided with a second thread groove (807) for use with the screw rod (801); the lower inner wall of the connecting rod (7) is fixedly connected with a probe assembly (805); one end of the screw rod (801) and the nut (802) are jointly provided with a through third through groove (806); the inner wall of the third through groove (806) is in contact with the outer surface of the probe assembly (805).

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