CN216117445U

CN216117445U - Protective acidity meter for measuring head

Info

Publication number: CN216117445U
Application number: CN202122305516.5U
Authority: CN
Inventors: 郭建; 林贝贝; 曾龙海; 杜钧钊
Original assignee: Fujian Haibo Testing Technology Co ltd
Current assignee: Fujian Haibo Testing Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-22
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the field of chemical analyzers, in particular to a measuring head protection type acidimeter. The utility model aims to provide a measuring head protection type acidimeter which can protect a measuring head of the acidimeter, prevent the measuring head from being broken when being cleaned and used, strengthen the fixation of the measuring head, prevent a side head from falling when being used and simultaneously protect the measuring head when the side head falls. A measuring head protection type acidimeter comprises a base, a display screen, a control knob, a fixing block, a connecting rod, a rotating block, a suspension arm, an installation block, a measuring head, a locking screw and a locking block. The display screen is arranged above the base, and the front end of the display screen is provided with the control knob; the fixed block is positioned on one side of the base and is fixedly connected with the base through a bolt; the connecting rod is positioned above the fixed block and is hinged and fixed with the fixed block; the upper end of the connecting rod is hinged and fixed with a rotating block; the suspension arm is positioned above the rotating block and is rotationally connected with the rotating block.

Description

Protective acidity meter for measuring head

Technical Field

The utility model relates to the field of chemical analyzers, in particular to a measuring head protection type acidimeter.

Background

The acidimeter is an instrument for measuring the pH value of a solution, the acidimeter works by utilizing the principle of a galvanic cell, the electromotive force between two electrodes of the galvanic cell is related to the properties of the electrodes and the hydrogen ion concentration in the solution according to the Nernst law, the electromotive force of the galvanic cell and the hydrogen ion concentration have a corresponding relation, the negative logarithm of the hydrogen ion concentration is the pH value, and the acidimeter is a common analytical instrument and is widely applied to agriculture, environmental protection, industry and the like.

The core of acidity meter gauge head is the terminal glass film of electrode, the easy emergence is broken, should and avoid any collision carefully, but wash and when using inevitable have the collision, the risk of dropping simultaneously still, consequently need urgent research and development one kind can protect the gauge head of acidimeter, prevent to break when wasing and using, and strengthen the fixed to the gauge head, the side head takes place to drop when preventing to use, also can carry out the gauge head protection type acidimeter of protection when falling to take place simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the core of a measuring head of an acidimeter is a glass thin film at the tail end of an electrode, the glass thin film is easy to crack, any collision is avoided due to care, but the glass thin film is difficult to avoid collision during cleaning and use, and simultaneously, the glass thin film has a falling risk.

The utility model is achieved by the following specific technical means:

a measuring head protection type acidimeter comprises a base, a display screen, a control knob, a fixed block, a connecting rod, a rotating block, a suspension arm, an installation block, a measuring head, a locking screw and a locking block; a display screen is arranged above the base, and a control knob is arranged at the front end of the display screen; the fixed block is positioned on one side of the base and is fixedly connected with the base through a bolt; the connecting rod is positioned above the fixed block and is hinged and fixed with the fixed block; the upper end of the connecting rod is hinged and fixed with a rotating block; the suspension arm is positioned above the rotating block and is rotationally connected with the rotating block; the front end of the suspension arm is provided with an installation block which is fixedly connected with the suspension arm through threads, and the installation block is provided with an installation hole; the measuring head is fixedly arranged in a mounting hole formed in the mounting block; threaded holes are formed in the two sides of the mounting block and communicated with the mounting holes, and the locking screw is fixedly mounted in the threaded holes formed in the mounting block through threads; the locking block is positioned in the mounting hole of the mounting block and is fixedly connected with the locking screw rod.

Further, the measuring head comprises an electrode cap, an electrode lead, a shell, a protective cover, an inner glass supporting rod, an electrode bulb, an inner reference electrode, an outer glass supporting rod, an outer reference electrode, sealant, fine-pore ceramic and buffer sponge; the upper end of the electrode cap is provided with an electrode lead, the shell is positioned below the electrode cap and fixedly connected with the electrode cap, and the lower end of the shell is provided with threads; the protective shell is positioned below the shell and fixedly connected with the shell through threads; the inner glass supporting rod is positioned in the shell and is fixedly connected with the electrode cap, and the lower end of the inner glass supporting rod is provided with an electrode bulb; an inner reference electrode is also arranged on the inner side of the inner glass strut and is fixedly connected with the electrode cap; an outer glass supporting rod is fixedly arranged in the shell, is positioned outside the inner glass supporting rod and is fixedly connected with the electrode cap; the outer reference electrode is positioned in the outer glass supporting rod and fixedly arranged between the inner glass supporting rod and the outer glass supporting rod; the sealant is positioned at the lower end of the outer glass supporting rod and is fixedly arranged between the inner glass supporting rod and the outer glass supporting rod, and pore ceramics are arranged on the sealant; the buffer sponge is arranged between the outer glass supporting rod and the shell.

Furthermore, an internal reference solution is arranged in the inner glass supporting rod, and an external reference solution is arranged between the inner glass supporting rod and the outer glass supporting rod.

Furthermore, the arc surface on the inner side of the locking block is provided with anti-skid grains.

Furthermore, a plurality of through holes are formed in the protective cover.

Furthermore, the protective cover and the shell are molded by plastic.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model achieves the effects of protecting the measuring head of the acidimeter, preventing the measuring head from cracking during cleaning and use, strengthening the fixation of the measuring head, preventing the side head from falling off during use and simultaneously protecting the measuring head when the side head falls off.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of a probe according to the present invention.

Fig. 5 is a partial sectional structural schematic diagram of the probe according to the present invention.

The labels in the figures are: 1-base, 2-display screen, 3-control knob, 4-fixed block, 5-connecting rod, 6-rotating block, 7-suspension arm, 8-mounting block, 9-measuring head, 10-locking screw, 11-locking block, 91-electrode cap, 92-electrode lead, 93-shell, 94-protective cover, 95-inner glass support rod, 96-electrode bulb, 97-inner reference electrode, 98-outer glass support rod, 99-outer reference electrode, 910-sealant, 911-pore ceramic and 912-buffer sponge.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples

A measuring head protection type acidimeter is shown in figures 1-5 and comprises a base 1, a display screen 2, a control knob 3, a fixed block 4, a connecting rod 5, a rotating block 6, a suspension arm 7, an installation block 8, a measuring head 9, a locking screw 10 and a locking block 11; a display screen 2 is arranged above the base 1, and a control knob 3 is arranged at the front end of the display screen 2; the fixed block 4 is positioned on one side of the base 1 and is fixedly connected with the base 1 through a bolt; the connecting rod 5 is positioned above the fixed block 4 and is hinged and fixed with the fixed block 4; the upper end of the connecting rod 5 is hinged and fixed with a rotating block 6; the suspension arm 7 is positioned above the rotating block 6 and is rotationally connected with the rotating block 6; the front end of the suspension arm 7 is provided with a mounting block 8, the mounting block 8 is fixedly connected with the suspension arm 7 through threads, and the mounting block 8 is provided with a mounting hole; the measuring head 9 is fixedly arranged in a mounting hole formed in the mounting block 8; threaded holes are formed in the two sides of the mounting block 8 and communicated with the mounting holes, and the locking screw 10 is fixedly mounted in the threaded holes formed in the mounting block 8 through threads; the locking block 11 is positioned in the mounting hole of the mounting block 8 and is fixedly connected with the locking screw 10.

The measuring head 9 comprises an electrode cap 91, an electrode lead 92, a shell 93, a protective cover 94, an inner glass support rod 95, an electrode bulb 96, an inner reference electrode 97, an outer glass support rod 98, an outer reference electrode 99, a sealant 910, a fine-hole ceramic 911 and a buffer sponge 912; an electrode lead 92 is arranged at the upper end of the electrode cap 91, the shell 93 is positioned below the electrode cap 91 and fixedly connected with the electrode cap 91, and threads are arranged at the lower end of the shell 93; the protective shell is positioned below the shell 93 and fixedly connected with the shell 93 through threads; the inner glass support rod 95 is positioned in the shell 93 and is fixedly connected with the electrode cap 91, and the lower end of the inner glass support rod 95 is provided with an electrode bulb 96; an inner reference electrode 97 is also arranged on the inner side of the inner glass strut 95, and the inner reference electrode 97 is fixedly connected with the electrode cap 91; an outer glass supporting rod 98 is also fixedly arranged in the outer shell 93, and the outer glass supporting rod 98 is positioned outside the inner glass supporting rod 95 and is fixedly connected with the electrode cap 91; the outer reference electrode 99 is positioned in the outer glass strut 98 and fixedly mounted between the inner glass strut 95 and the outer glass strut 98; the sealant 910 is positioned at the lower end of the outer glass strut 98 and is fixedly arranged between the inner glass strut 95 and the outer glass strut 98, and the sealant 910 is provided with a fine-hole ceramic 911; a buffer sponge 912 is disposed between the outer glass strut 98 and the housing 93.

An internal reference solution is provided within the inner glass strut 95, and an external reference solution is provided between the outer glass strut 98 and the inner glass strut 95.

And the arc surface on the inner side of the locking block 11 is provided with anti-skid grains.

The protective cover 94 is provided with a plurality of through holes.

The protective cover 94 and the housing 93 are molded by plastic.

The working principle is as follows: the utility model is placed on a platform, a measuring head 9 is arranged in an installation hole formed in an installation block 8, locking screw rods 10 on two sides of the installation block 8 are rotated, the locking screw rods 10 drive a locking block 11 in the installation hole formed in the installation block 8 to move, so that the measuring head 9 is clamped and fixed by locking, and anti-skid lines are arranged on the inner side arc surface of the locking block 11, thereby achieving the effect of quickly fastening and fixing the anti-skid block, preventing the side head from falling off, and electrically connecting an electrode wire 92 at the upper end of the measuring head 9 with a base 1; then, a measuring head 9 is inserted into the solution to be measured, the PH is measured, meanwhile, the connecting rod 5 is hinged with the fixed block 4, the rotating block 6 is hinged with the connecting rod 5, the suspension arm 7 is rotatably connected with the rotating block 6, and the multi-angle movement can be realized when the solution to be measured is detected, so that the effects of convenience in adjustment and use are achieved; the folding type portable folding chair can be folded after being used, and is convenient to carry and store; a buffer sponge 912 is arranged between the outer glass support rod 98 and the shell 93 to protect the measuring head 9, so that a buffer effect is achieved, and the side head is prevented from falling from a high place and being broken; a protective cover 94 is arranged below the shell 93 to protect the glass bulb in all directions, so that the glass bulb is prevented from being broken due to collision with other objects; and the shell 93 and the protective cover 94 are molded by plastic and have certain elasticity, so that the measuring head 9 is further protected.

Wherein, an inner reference solution is arranged in the inner glass strut 95, and an outer reference solution is arranged between the outer glass strut 98 and the inner glass strut 95.

Wherein, the arc surface at the inner side of the locking block 11 is provided with anti-skid lines; the fixing of the measuring head 9 by the locking block 11 is strengthened, and the side head is prevented from sliding off.

Wherein, the protective cover 94 is provided with a plurality of through holes; the probe 9 is protected, and meanwhile, the solution to be detected is convenient to detect.

Wherein, the protective cover 94 and the shell 93 are molded by plastic; the protective cover 94 and the shell 93 have certain elasticity, and play a certain role in protecting the side head; further protecting the side head.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.

Claims

1. A measuring head protection type acidimeter is characterized by comprising a base (1), a display screen (2), a control knob (3), a fixed block (4), a connecting rod (5), a rotating block (6), a suspension arm (7), a mounting block (8), a measuring head (9), a locking screw (10) and a locking block (11); a display screen (2) is arranged above the base (1), and a control knob (3) is arranged at the front end of the display screen (2); the fixed block (4) is positioned on one side of the base (1) and is fixedly connected with the base (1) through a bolt; the connecting rod (5) is positioned above the fixed block (4) and is hinged and fixed with the fixed block (4); the upper end of the connecting rod (5) is hinged and fixed with a rotating block (6); the suspension arm (7) is positioned above the rotating block (6) and is rotationally connected with the rotating block (6); the front end of the suspension arm (7) is provided with an installation block (8), the installation block (8) is fixedly connected with the suspension arm (7) through threads, and an installation hole is formed in the installation block (8); the measuring head (9) is fixedly arranged in a mounting hole formed in the mounting block (8); threaded holes are formed in the two sides of the mounting block (8) and communicated with the mounting holes, and the locking screw (10) is fixedly mounted in the threaded holes formed in the mounting block (8) through threads; the locking block (11) is positioned in the mounting hole of the mounting block (8) and is fixedly connected with the locking screw rod (10).

2. The acidity meter with a protected measuring head according to claim 1, wherein the measuring head (9) comprises an electrode cap (91), an electrode lead (92), a shell (93), a protective cover (94), an inner glass support rod (95), an electrode bulb (96), an inner reference electrode (97), an outer glass support rod (98), an outer reference electrode (99), a sealant (910), a fine-pore ceramic (911) and a buffer sponge (912); an electrode lead (92) is arranged at the upper end of the electrode cap (91), the shell (93) is positioned below the electrode cap (91) and fixedly connected with the electrode cap (91), and threads are arranged at the lower end of the shell (93); the protective shell is positioned below the shell (93) and fixedly connected with the shell (93) through threads; the inner glass support rod (95) is positioned in the shell (93) and is fixedly connected with the electrode cap (91), and the lower end of the inner glass support rod (95) is provided with an electrode bulb (96); an inner reference electrode (97) is also arranged on the inner side of the inner glass support rod (95), and the inner reference electrode (97) is fixedly connected with the electrode cap (91); an outer glass supporting rod (98) is fixedly arranged in the shell (93), and the outer glass supporting rod (98) is positioned on the outer side of the inner glass supporting rod (95) and is fixedly connected with the electrode cap (91); the outer reference electrode (99) is positioned in the outer glass support rod (98) and fixedly arranged between the inner glass support rod (95) and the outer glass support rod (98); the sealant (910) is positioned at the lower end of the outer glass support rod (98), is fixedly arranged between the inner glass support rod (95) and the outer glass support rod (98), and is provided with fine-hole ceramics (911); the buffer sponge (912) is arranged between the outer glass support rod (98) and the shell (93).

3. A probe protection acidometer according to claim 2, wherein an inner reference solution is provided inside the inner glass rod (95), and the outer glass rod (98) is provided with an outer reference solution between the inner glass rods (95).

4. The acidimeter is protected to a gauge head according to claim 1, characterized in that, the circular arc surface of the inboard of latch segment (11) is provided with anti-skidding line.

5. A probe guard type acidimeter according to claim 2 wherein said protective cap (94) is provided with a plurality of through holes.

6. A probe guard acidometer according to claim 2, wherein the protective cover (94) and the housing (93) are formed by plastic injection molding.